From c77868a555d05ea6699a23b73b32eac1cfd22494 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@riseup.net>
Date: Wed, 12 May 2021 11:41:32 +0200
Subject: [PATCH] Require the new files in `test/` relatively

---
 test/rubygems/installer_test_case.rb                       | 2 +-
 test/rubygems/package/tar_test_case.rb                     | 2 +-
 test/rubygems/test_bundled_ca.rb                           | 2 +-
 test/rubygems/test_case.rb                                 | 2 +-
 test/rubygems/test_config.rb                               | 2 +-
 test/rubygems/test_deprecate.rb                            | 2 +-
 test/rubygems/test_gem.rb                                  | 2 +-
 test/rubygems/test_gem_available_set.rb                    | 2 +-
 test/rubygems/test_gem_bundler_version_finder.rb           | 2 +-
 test/rubygems/test_gem_command.rb                          | 2 +-
 test/rubygems/test_gem_command_manager.rb                  | 2 +-
 test/rubygems/test_gem_commands_build_command.rb           | 2 +-
 test/rubygems/test_gem_commands_cert_command.rb            | 2 +-
 test/rubygems/test_gem_commands_check_command.rb           | 2 +-
 test/rubygems/test_gem_commands_cleanup_command.rb         | 2 +-
 test/rubygems/test_gem_commands_contents_command.rb        | 2 +-
 test/rubygems/test_gem_commands_dependency_command.rb      | 2 +-
 test/rubygems/test_gem_commands_environment_command.rb     | 2 +-
 test/rubygems/test_gem_commands_fetch_command.rb           | 2 +-
 test/rubygems/test_gem_commands_generate_index_command.rb  | 2 +-
 test/rubygems/test_gem_commands_help_command.rb            | 2 +-
 test/rubygems/test_gem_commands_info_command.rb            | 2 +-
 test/rubygems/test_gem_commands_install_command.rb         | 2 +-
 test/rubygems/test_gem_commands_list_command.rb            | 2 +-
 test/rubygems/test_gem_commands_lock_command.rb            | 2 +-
 test/rubygems/test_gem_commands_mirror.rb                  | 2 +-
 test/rubygems/test_gem_commands_open_command.rb            | 2 +-
 test/rubygems/test_gem_commands_outdated_command.rb        | 2 +-
 test/rubygems/test_gem_commands_owner_command.rb           | 2 +-
 test/rubygems/test_gem_commands_pristine_command.rb        | 2 +-
 test/rubygems/test_gem_commands_push_command.rb            | 2 +-
 test/rubygems/test_gem_commands_query_command.rb           | 2 +-
 test/rubygems/test_gem_commands_search_command.rb          | 2 +-
 test/rubygems/test_gem_commands_server_command.rb          | 2 +-
 test/rubygems/test_gem_commands_setup_command.rb           | 2 +-
 test/rubygems/test_gem_commands_signin_command.rb          | 2 +-
 test/rubygems/test_gem_commands_signout_command.rb         | 2 +-
 test/rubygems/test_gem_commands_sources_command.rb         | 2 +-
 test/rubygems/test_gem_commands_specification_command.rb   | 2 +-
 test/rubygems/test_gem_commands_stale_command.rb           | 2 +-
 test/rubygems/test_gem_commands_uninstall_command.rb       | 2 +-
 test/rubygems/test_gem_commands_unpack_command.rb          | 2 +-
 test/rubygems/test_gem_commands_update_command.rb          | 2 +-
 test/rubygems/test_gem_commands_which_command.rb           | 2 +-
 test/rubygems/test_gem_commands_yank_command.rb            | 2 +-
 test/rubygems/test_gem_config_file.rb                      | 2 +-
 test/rubygems/test_gem_dependency.rb                       | 2 +-
 test/rubygems/test_gem_dependency_installer.rb             | 2 +-
 test/rubygems/test_gem_dependency_list.rb                  | 2 +-
 test/rubygems/test_gem_dependency_resolution_error.rb      | 2 +-
 test/rubygems/test_gem_doctor.rb                           | 2 +-
 test/rubygems/test_gem_ext_builder.rb                      | 2 +-
 test/rubygems/test_gem_ext_cmake_builder.rb                | 2 +-
 test/rubygems/test_gem_ext_configure_builder.rb            | 2 +-
 test/rubygems/test_gem_ext_ext_conf_builder.rb             | 2 +-
 test/rubygems/test_gem_ext_rake_builder.rb                 | 2 +-
 test/rubygems/test_gem_gem_runner.rb                       | 2 +-
 test/rubygems/test_gem_gemcutter_utilities.rb              | 2 +-
 test/rubygems/test_gem_impossible_dependencies_error.rb    | 2 +-
 test/rubygems/test_gem_indexer.rb                          | 2 +-
 test/rubygems/test_gem_install_update_options.rb           | 2 +-
 test/rubygems/test_gem_installer.rb                        | 2 +-
 test/rubygems/test_gem_local_remote_options.rb             | 2 +-
 test/rubygems/test_gem_name_tuple.rb                       | 2 +-
 test/rubygems/test_gem_package.rb                          | 2 +-
 test/rubygems/test_gem_package_old.rb                      | 2 +-
 test/rubygems/test_gem_package_tar_header.rb               | 2 +-
 test/rubygems/test_gem_package_tar_reader.rb               | 2 +-
 test/rubygems/test_gem_package_tar_reader_entry.rb         | 2 +-
 test/rubygems/test_gem_package_tar_writer.rb               | 2 +-
 test/rubygems/test_gem_package_task.rb                     | 2 +-
 test/rubygems/test_gem_path_support.rb                     | 2 +-
 test/rubygems/test_gem_platform.rb                         | 2 +-
 test/rubygems/test_gem_rdoc.rb                             | 2 +-
 test/rubygems/test_gem_remote_fetcher.rb                   | 2 +-
 test/rubygems/test_gem_request.rb                          | 2 +-
 test/rubygems/test_gem_request_connection_pools.rb         | 2 +-
 test/rubygems/test_gem_request_set.rb                      | 2 +-
 test/rubygems/test_gem_request_set_gem_dependency_api.rb   | 2 +-
 test/rubygems/test_gem_request_set_lockfile.rb             | 2 +-
 test/rubygems/test_gem_request_set_lockfile_parser.rb      | 2 +-
 test/rubygems/test_gem_request_set_lockfile_tokenizer.rb   | 2 +-
 test/rubygems/test_gem_requirement.rb                      | 2 +-
 test/rubygems/test_gem_resolver.rb                         | 2 +-
 test/rubygems/test_gem_resolver_activation_request.rb      | 2 +-
 test/rubygems/test_gem_resolver_api_set.rb                 | 2 +-
 test/rubygems/test_gem_resolver_api_specification.rb       | 2 +-
 test/rubygems/test_gem_resolver_best_set.rb                | 2 +-
 test/rubygems/test_gem_resolver_composed_set.rb            | 2 +-
 test/rubygems/test_gem_resolver_conflict.rb                | 2 +-
 test/rubygems/test_gem_resolver_dependency_request.rb      | 2 +-
 test/rubygems/test_gem_resolver_git_set.rb                 | 2 +-
 test/rubygems/test_gem_resolver_git_specification.rb       | 2 +-
 test/rubygems/test_gem_resolver_index_set.rb               | 2 +-
 test/rubygems/test_gem_resolver_index_specification.rb     | 2 +-
 test/rubygems/test_gem_resolver_installed_specification.rb | 2 +-
 test/rubygems/test_gem_resolver_installer_set.rb           | 2 +-
 test/rubygems/test_gem_resolver_local_specification.rb     | 2 +-
 test/rubygems/test_gem_resolver_lock_set.rb                | 2 +-
 test/rubygems/test_gem_resolver_lock_specification.rb      | 2 +-
 test/rubygems/test_gem_resolver_requirement_list.rb        | 2 +-
 test/rubygems/test_gem_resolver_specification.rb           | 2 +-
 test/rubygems/test_gem_resolver_vendor_set.rb              | 2 +-
 test/rubygems/test_gem_resolver_vendor_specification.rb    | 2 +-
 test/rubygems/test_gem_security.rb                         | 2 +-
 test/rubygems/test_gem_security_policy.rb                  | 2 +-
 test/rubygems/test_gem_security_signer.rb                  | 2 +-
 test/rubygems/test_gem_security_trust_dir.rb               | 2 +-
 test/rubygems/test_gem_server.rb                           | 2 +-
 test/rubygems/test_gem_silent_ui.rb                        | 2 +-
 test/rubygems/test_gem_source.rb                           | 2 +-
 test/rubygems/test_gem_source_fetch_problem.rb             | 2 +-
 test/rubygems/test_gem_source_git.rb                       | 2 +-
 test/rubygems/test_gem_source_installed.rb                 | 2 +-
 test/rubygems/test_gem_source_list.rb                      | 2 +-
 test/rubygems/test_gem_source_local.rb                     | 2 +-
 test/rubygems/test_gem_source_lock.rb                      | 2 +-
 test/rubygems/test_gem_source_specific_file.rb             | 2 +-
 test/rubygems/test_gem_source_vendor.rb                    | 2 +-
 test/rubygems/test_gem_spec_fetcher.rb                     | 2 +-
 test/rubygems/test_gem_specification.rb                    | 2 +-
 test/rubygems/test_gem_stream_ui.rb                        | 2 +-
 test/rubygems/test_gem_stub_specification.rb               | 2 +-
 test/rubygems/test_gem_text.rb                             | 2 +-
 test/rubygems/test_gem_uninstaller.rb                      | 2 +-
 test/rubygems/test_gem_unsatisfiable_dependency_error.rb   | 2 +-
 test/rubygems/test_gem_uri_formatter.rb                    | 2 +-
 test/rubygems/test_gem_util.rb                             | 2 +-
 test/rubygems/test_gem_validator.rb                        | 2 +-
 test/rubygems/test_gem_version.rb                          | 2 +-
 test/rubygems/test_gem_version_option.rb                   | 2 +-
 test/rubygems/test_kernel.rb                               | 2 +-
 test/rubygems/test_project_sanity.rb                       | 2 +-
 test/rubygems/test_remote_fetch_error.rb                   | 2 +-
 test/rubygems/test_require.rb                              | 2 +-
 135 files changed, 135 insertions(+), 135 deletions(-)

diff --git a/test/rubygems/installer_test_case.rb b/test/rubygems/installer_test_case.rb
index 416dac7be696..67e4cc39d5ac 100644
--- a/test/rubygems/installer_test_case.rb
+++ b/test/rubygems/installer_test_case.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/installer'
 
 class Gem::Installer
diff --git a/test/rubygems/package/tar_test_case.rb b/test/rubygems/package/tar_test_case.rb
index 1161d0a5a86f..019f1f2782f2 100644
--- a/test/rubygems/package/tar_test_case.rb
+++ b/test/rubygems/package/tar_test_case.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative '../test_case'
 require 'rubygems/package'
 
 ##
diff --git a/test/rubygems/test_bundled_ca.rb b/test/rubygems/test_bundled_ca.rb
index ff5b8dba198c..18985cbebdfa 100644
--- a/test/rubygems/test_bundled_ca.rb
+++ b/test/rubygems/test_bundled_ca.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'net/http'
 require 'rubygems/openssl'
 
diff --git a/test/rubygems/test_case.rb b/test/rubygems/test_case.rb
index f13382227148..c1baa674c2ba 100644
--- a/test/rubygems/test_case.rb
+++ b/test/rubygems/test_case.rb
@@ -1603,4 +1603,4 @@ def stub(name, val_or_callable, *block_args)
   end
 end
 
-require 'rubygems/test_utilities'
+require_relative 'test_utilities'
diff --git a/test/rubygems/test_config.rb b/test/rubygems/test_config.rb
index 692d8af1abfc..e73518cd62fc 100644
--- a/test/rubygems/test_config.rb
+++ b/test/rubygems/test_config.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 require 'shellwords'
 
diff --git a/test/rubygems/test_deprecate.rb b/test/rubygems/test_deprecate.rb
index 4a14266ce33f..502e95bebcf0 100644
--- a/test/rubygems/test_deprecate.rb
+++ b/test/rubygems/test_deprecate.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/deprecate'
 
 class TestDeprecate < Gem::TestCase
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index d548e95fd707..ae161701f624 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -1,5 +1,5 @@
 # coding: US-ASCII
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 require 'rubygems/command'
 require 'rubygems/installer'
diff --git a/test/rubygems/test_gem_available_set.rb b/test/rubygems/test_gem_available_set.rb
index dd2816acc66c..0ead5d6d5c99 100644
--- a/test/rubygems/test_gem_available_set.rb
+++ b/test/rubygems/test_gem_available_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/available_set'
 require 'rubygems/security'
 
diff --git a/test/rubygems/test_gem_bundler_version_finder.rb b/test/rubygems/test_gem_bundler_version_finder.rb
index 08e189b26f73..6bc05978cfa3 100644
--- a/test/rubygems/test_gem_bundler_version_finder.rb
+++ b/test/rubygems/test_gem_bundler_version_finder.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemBundlerVersionFinder < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_command.rb b/test/rubygems/test_gem_command.rb
index 4d0c4eb5e8d9..2c67489cc529 100644
--- a/test/rubygems/test_gem_command.rb
+++ b/test/rubygems/test_gem_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/command'
 
 class Gem::Command
diff --git a/test/rubygems/test_gem_command_manager.rb b/test/rubygems/test_gem_command_manager.rb
index 16e2f4a4dd5b..197eb0307fcb 100644
--- a/test/rubygems/test_gem_command_manager.rb
+++ b/test/rubygems/test_gem_command_manager.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/command_manager'
 
 class TestGemCommandManager < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_build_command.rb b/test/rubygems/test_gem_commands_build_command.rb
index 3adf69cdf47c..a99423675c95 100644
--- a/test/rubygems/test_gem_commands_build_command.rb
+++ b/test/rubygems/test_gem_commands_build_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/build_command'
 require 'rubygems/package'
 
diff --git a/test/rubygems/test_gem_commands_cert_command.rb b/test/rubygems/test_gem_commands_cert_command.rb
index e8b6e506f5ed..98a23543ebd5 100644
--- a/test/rubygems/test_gem_commands_cert_command.rb
+++ b/test/rubygems/test_gem_commands_cert_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/cert_command'
 
 unless Gem::HAVE_OPENSSL
diff --git a/test/rubygems/test_gem_commands_check_command.rb b/test/rubygems/test_gem_commands_check_command.rb
index 07eea188e3c9..47888a8aca47 100644
--- a/test/rubygems/test_gem_commands_check_command.rb
+++ b/test/rubygems/test_gem_commands_check_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/check_command'
 
 class TestGemCommandsCheckCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_cleanup_command.rb b/test/rubygems/test_gem_commands_cleanup_command.rb
index 6e21e8c68b79..2ac146991c19 100644
--- a/test/rubygems/test_gem_commands_cleanup_command.rb
+++ b/test/rubygems/test_gem_commands_cleanup_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/cleanup_command'
 require 'rubygems/installer'
 
diff --git a/test/rubygems/test_gem_commands_contents_command.rb b/test/rubygems/test_gem_commands_contents_command.rb
index 2b04a9c65458..c9a628904533 100644
--- a/test/rubygems/test_gem_commands_contents_command.rb
+++ b/test/rubygems/test_gem_commands_contents_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/contents_command'
 
 class TestGemCommandsContentsCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_dependency_command.rb b/test/rubygems/test_gem_commands_dependency_command.rb
index d49aa2f513ef..cd830ca3fa51 100644
--- a/test/rubygems/test_gem_commands_dependency_command.rb
+++ b/test/rubygems/test_gem_commands_dependency_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/dependency_command'
 
 class TestGemCommandsDependencyCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_environment_command.rb b/test/rubygems/test_gem_commands_environment_command.rb
index c31ca2486977..fdc05f607e74 100644
--- a/test/rubygems/test_gem_commands_environment_command.rb
+++ b/test/rubygems/test_gem_commands_environment_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/environment_command'
 
 class TestGemCommandsEnvironmentCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_fetch_command.rb b/test/rubygems/test_gem_commands_fetch_command.rb
index 9a81e8898ee4..2558544f2967 100644
--- a/test/rubygems/test_gem_commands_fetch_command.rb
+++ b/test/rubygems/test_gem_commands_fetch_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/package'
 require 'rubygems/security'
 require 'rubygems/commands/fetch_command'
diff --git a/test/rubygems/test_gem_commands_generate_index_command.rb b/test/rubygems/test_gem_commands_generate_index_command.rb
index fc1317a49dd2..9f79632f9b56 100644
--- a/test/rubygems/test_gem_commands_generate_index_command.rb
+++ b/test/rubygems/test_gem_commands_generate_index_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/indexer'
 require 'rubygems/commands/generate_index_command'
 
diff --git a/test/rubygems/test_gem_commands_help_command.rb b/test/rubygems/test_gem_commands_help_command.rb
index 128db5db1f22..ed852b8ed438 100644
--- a/test/rubygems/test_gem_commands_help_command.rb
+++ b/test/rubygems/test_gem_commands_help_command.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require "rubygems"
-require "rubygems/test_case"
+require_relative "test_case"
 require "rubygems/commands/help_command"
 require "rubygems/package"
 require "rubygems/command_manager"
diff --git a/test/rubygems/test_gem_commands_info_command.rb b/test/rubygems/test_gem_commands_info_command.rb
index 6d67b567c72a..866ed88bd130 100644
--- a/test/rubygems/test_gem_commands_info_command.rb
+++ b/test/rubygems/test_gem_commands_info_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/info_command'
 
 class TestGemCommandsInfoCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_install_command.rb b/test/rubygems/test_gem_commands_install_command.rb
index c51bbf810dc8..b56ec8aa512a 100644
--- a/test/rubygems/test_gem_commands_install_command.rb
+++ b/test/rubygems/test_gem_commands_install_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/install_command'
 require 'rubygems/request_set'
 require 'rubygems/rdoc'
diff --git a/test/rubygems/test_gem_commands_list_command.rb b/test/rubygems/test_gem_commands_list_command.rb
index 772a99eabd30..f917b862b688 100644
--- a/test/rubygems/test_gem_commands_list_command.rb
+++ b/test/rubygems/test_gem_commands_list_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/list_command'
 
 class TestGemCommandsListCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_lock_command.rb b/test/rubygems/test_gem_commands_lock_command.rb
index 81252e6409d7..9ab75ab95e09 100644
--- a/test/rubygems/test_gem_commands_lock_command.rb
+++ b/test/rubygems/test_gem_commands_lock_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/lock_command'
 
 class TestGemCommandsLockCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_mirror.rb b/test/rubygems/test_gem_commands_mirror.rb
index 6b2b7d11bb5b..375c4c5203c4 100644
--- a/test/rubygems/test_gem_commands_mirror.rb
+++ b/test/rubygems/test_gem_commands_mirror.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/mirror_command'
 
 class TestGemCommandsMirrorCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_open_command.rb b/test/rubygems/test_gem_commands_open_command.rb
index 2c32b810ccc6..217746a478f7 100644
--- a/test/rubygems/test_gem_commands_open_command.rb
+++ b/test/rubygems/test_gem_commands_open_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/open_command'
 
 class TestGemCommandsOpenCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_outdated_command.rb b/test/rubygems/test_gem_commands_outdated_command.rb
index c4af421f5d22..eaba46214bc9 100644
--- a/test/rubygems/test_gem_commands_outdated_command.rb
+++ b/test/rubygems/test_gem_commands_outdated_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/outdated_command'
 
 class TestGemCommandsOutdatedCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_owner_command.rb b/test/rubygems/test_gem_commands_owner_command.rb
index 730048e0ffda..f5efe0178b2e 100644
--- a/test/rubygems/test_gem_commands_owner_command.rb
+++ b/test/rubygems/test_gem_commands_owner_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/owner_command'
 
 class TestGemCommandsOwnerCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_pristine_command.rb b/test/rubygems/test_gem_commands_pristine_command.rb
index 118b2334fc9c..53e417a62a40 100644
--- a/test/rubygems/test_gem_commands_pristine_command.rb
+++ b/test/rubygems/test_gem_commands_pristine_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/pristine_command'
 
 class TestGemCommandsPristineCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_push_command.rb b/test/rubygems/test_gem_commands_push_command.rb
index 4f0feabfa7b4..ab386114d1dc 100644
--- a/test/rubygems/test_gem_commands_push_command.rb
+++ b/test/rubygems/test_gem_commands_push_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/push_command'
 
 class TestGemCommandsPushCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_query_command.rb b/test/rubygems/test_gem_commands_query_command.rb
index cb95f185ab66..0a818427fbca 100644
--- a/test/rubygems/test_gem_commands_query_command.rb
+++ b/test/rubygems/test_gem_commands_query_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/query_command'
 
 module TestGemCommandsQueryCommandSetup
diff --git a/test/rubygems/test_gem_commands_search_command.rb b/test/rubygems/test_gem_commands_search_command.rb
index 17693e6837cd..6f1928cae161 100644
--- a/test/rubygems/test_gem_commands_search_command.rb
+++ b/test/rubygems/test_gem_commands_search_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/search_command'
 
 class TestGemCommandsSearchCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_server_command.rb b/test/rubygems/test_gem_commands_server_command.rb
index 36c1feaec2b1..4d856276627d 100644
--- a/test/rubygems/test_gem_commands_server_command.rb
+++ b/test/rubygems/test_gem_commands_server_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/server_command'
 
 class TestGemCommandsServerCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_setup_command.rb b/test/rubygems/test_gem_commands_setup_command.rb
index e324d255625a..270cda117ac2 100644
--- a/test/rubygems/test_gem_commands_setup_command.rb
+++ b/test/rubygems/test_gem_commands_setup_command.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/setup_command'
 
 class TestGemCommandsSetupCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_signin_command.rb b/test/rubygems/test_gem_commands_signin_command.rb
index 596f26208236..c483a5e2da39 100644
--- a/test/rubygems/test_gem_commands_signin_command.rb
+++ b/test/rubygems/test_gem_commands_signin_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/signin_command'
 require 'rubygems/installer'
 
diff --git a/test/rubygems/test_gem_commands_signout_command.rb b/test/rubygems/test_gem_commands_signout_command.rb
index 20389d0537dd..750f1fb0be90 100644
--- a/test/rubygems/test_gem_commands_signout_command.rb
+++ b/test/rubygems/test_gem_commands_signout_command.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/signout_command'
 require 'rubygems/installer'
 
diff --git a/test/rubygems/test_gem_commands_sources_command.rb b/test/rubygems/test_gem_commands_sources_command.rb
index 70d1b3611c46..fff90b560a05 100644
--- a/test/rubygems/test_gem_commands_sources_command.rb
+++ b/test/rubygems/test_gem_commands_sources_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/sources_command'
 
 class TestGemCommandsSourcesCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_specification_command.rb b/test/rubygems/test_gem_commands_specification_command.rb
index a04746f82c22..106a32a28ec1 100644
--- a/test/rubygems/test_gem_commands_specification_command.rb
+++ b/test/rubygems/test_gem_commands_specification_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/specification_command'
 
 class TestGemCommandsSpecificationCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_stale_command.rb b/test/rubygems/test_gem_commands_stale_command.rb
index 0aa7f243e2f0..5aa88dc71c93 100644
--- a/test/rubygems/test_gem_commands_stale_command.rb
+++ b/test/rubygems/test_gem_commands_stale_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/stale_command'
 
 class TestGemCommandsStaleCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_uninstall_command.rb b/test/rubygems/test_gem_commands_uninstall_command.rb
index a1b81d73debb..55f1049266b2 100644
--- a/test/rubygems/test_gem_commands_uninstall_command.rb
+++ b/test/rubygems/test_gem_commands_uninstall_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/installer_test_case'
+require_relative 'installer_test_case'
 require 'rubygems/commands/uninstall_command'
 
 class TestGemCommandsUninstallCommand < Gem::InstallerTestCase
diff --git a/test/rubygems/test_gem_commands_unpack_command.rb b/test/rubygems/test_gem_commands_unpack_command.rb
index f2f60f02bf9b..2ba38a07df56 100644
--- a/test/rubygems/test_gem_commands_unpack_command.rb
+++ b/test/rubygems/test_gem_commands_unpack_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/unpack_command'
 
 class TestGemCommandsUnpackCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_update_command.rb b/test/rubygems/test_gem_commands_update_command.rb
index 6693b0921b17..54f1b2309faa 100644
--- a/test/rubygems/test_gem_commands_update_command.rb
+++ b/test/rubygems/test_gem_commands_update_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/update_command'
 
 class TestGemCommandsUpdateCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_which_command.rb b/test/rubygems/test_gem_commands_which_command.rb
index ce56f8eefc02..03ba51ca2d6d 100644
--- a/test/rubygems/test_gem_commands_which_command.rb
+++ b/test/rubygems/test_gem_commands_which_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/which_command'
 
 class TestGemCommandsWhichCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_commands_yank_command.rb b/test/rubygems/test_gem_commands_yank_command.rb
index 76e935b06a75..f3ee3452e410 100644
--- a/test/rubygems/test_gem_commands_yank_command.rb
+++ b/test/rubygems/test_gem_commands_yank_command.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/commands/yank_command'
 
 class TestGemCommandsYankCommand < Gem::TestCase
diff --git a/test/rubygems/test_gem_config_file.rb b/test/rubygems/test_gem_config_file.rb
index 77d7a08bb853..c1e2dcb56c2a 100644
--- a/test/rubygems/test_gem_config_file.rb
+++ b/test/rubygems/test_gem_config_file.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/config_file'
 
 class TestGemConfigFile < Gem::TestCase
diff --git a/test/rubygems/test_gem_dependency.rb b/test/rubygems/test_gem_dependency.rb
index 69208d325825..a231fa4d6282 100644
--- a/test/rubygems/test_gem_dependency.rb
+++ b/test/rubygems/test_gem_dependency.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/dependency'
 
 class TestGemDependency < Gem::TestCase
diff --git a/test/rubygems/test_gem_dependency_installer.rb b/test/rubygems/test_gem_dependency_installer.rb
index 90d5d164034e..ea5e745f8355 100644
--- a/test/rubygems/test_gem_dependency_installer.rb
+++ b/test/rubygems/test_gem_dependency_installer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/dependency_installer'
 require 'rubygems/security'
 
diff --git a/test/rubygems/test_gem_dependency_list.rb b/test/rubygems/test_gem_dependency_list.rb
index 097e680596c1..25541e07f235 100644
--- a/test/rubygems/test_gem_dependency_list.rb
+++ b/test/rubygems/test_gem_dependency_list.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/dependency_list'
 
 class TestGemDependencyList < Gem::TestCase
diff --git a/test/rubygems/test_gem_dependency_resolution_error.rb b/test/rubygems/test_gem_dependency_resolution_error.rb
index 5321f7031c20..77f698aec010 100644
--- a/test/rubygems/test_gem_dependency_resolution_error.rb
+++ b/test/rubygems/test_gem_dependency_resolution_error.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemDependencyResolutionError < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_doctor.rb b/test/rubygems/test_gem_doctor.rb
index 4514d17f9f8a..4550f84644c9 100644
--- a/test/rubygems/test_gem_doctor.rb
+++ b/test/rubygems/test_gem_doctor.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/doctor'
 
 class TestGemDoctor < Gem::TestCase
diff --git a/test/rubygems/test_gem_ext_builder.rb b/test/rubygems/test_gem_ext_builder.rb
index 36d5328aef10..d92bfbe2e53b 100644
--- a/test/rubygems/test_gem_ext_builder.rb
+++ b/test/rubygems/test_gem_ext_builder.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/ext'
 require 'rubygems/installer'
 
diff --git a/test/rubygems/test_gem_ext_cmake_builder.rb b/test/rubygems/test_gem_ext_cmake_builder.rb
index 47d06efbca10..c497088b649d 100644
--- a/test/rubygems/test_gem_ext_cmake_builder.rb
+++ b/test/rubygems/test_gem_ext_cmake_builder.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/ext'
 
 class TestGemExtCmakeBuilder < Gem::TestCase
diff --git a/test/rubygems/test_gem_ext_configure_builder.rb b/test/rubygems/test_gem_ext_configure_builder.rb
index 87260bcfa2b9..4bc483b158cd 100644
--- a/test/rubygems/test_gem_ext_configure_builder.rb
+++ b/test/rubygems/test_gem_ext_configure_builder.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/ext'
 
 class TestGemExtConfigureBuilder < Gem::TestCase
diff --git a/test/rubygems/test_gem_ext_ext_conf_builder.rb b/test/rubygems/test_gem_ext_ext_conf_builder.rb
index 02b46ad8b712..b360f31c423b 100644
--- a/test/rubygems/test_gem_ext_ext_conf_builder.rb
+++ b/test/rubygems/test_gem_ext_ext_conf_builder.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/ext'
 
 class TestGemExtExtConfBuilder < Gem::TestCase
diff --git a/test/rubygems/test_gem_ext_rake_builder.rb b/test/rubygems/test_gem_ext_rake_builder.rb
index 833f57615d1f..941292d494a6 100644
--- a/test/rubygems/test_gem_ext_rake_builder.rb
+++ b/test/rubygems/test_gem_ext_rake_builder.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/ext'
 
 class TestGemExtRakeBuilder < Gem::TestCase
diff --git a/test/rubygems/test_gem_gem_runner.rb b/test/rubygems/test_gem_gem_runner.rb
index 8df11ecebc8b..16b0fb963146 100644
--- a/test/rubygems/test_gem_gem_runner.rb
+++ b/test/rubygems/test_gem_gem_runner.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemGemRunner < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_gemcutter_utilities.rb b/test/rubygems/test_gem_gemcutter_utilities.rb
index 27c99fd04d80..63e74cf66e54 100644
--- a/test/rubygems/test_gem_gemcutter_utilities.rb
+++ b/test/rubygems/test_gem_gemcutter_utilities.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 require 'rubygems/command'
 require 'rubygems/gemcutter_utilities'
diff --git a/test/rubygems/test_gem_impossible_dependencies_error.rb b/test/rubygems/test_gem_impossible_dependencies_error.rb
index e4fe6ef77c28..1d0570c1d2d3 100644
--- a/test/rubygems/test_gem_impossible_dependencies_error.rb
+++ b/test/rubygems/test_gem_impossible_dependencies_error.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemImpossibleDependenciesError < Gem::TestCase
   def test_message_conflict
diff --git a/test/rubygems/test_gem_indexer.rb b/test/rubygems/test_gem_indexer.rb
index adc83dd8fb2a..a7a0490b0c65 100644
--- a/test/rubygems/test_gem_indexer.rb
+++ b/test/rubygems/test_gem_indexer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/indexer'
 
 class TestGemIndexer < Gem::TestCase
diff --git a/test/rubygems/test_gem_install_update_options.rb b/test/rubygems/test_gem_install_update_options.rb
index 1afac10f73be..33cb5c08bfdf 100644
--- a/test/rubygems/test_gem_install_update_options.rb
+++ b/test/rubygems/test_gem_install_update_options.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/installer_test_case'
+require_relative 'installer_test_case'
 require 'rubygems/install_update_options'
 require 'rubygems/command'
 require 'rubygems/dependency_installer'
diff --git a/test/rubygems/test_gem_installer.rb b/test/rubygems/test_gem_installer.rb
index ef611af9a771..efea75ecb58b 100644
--- a/test/rubygems/test_gem_installer.rb
+++ b/test/rubygems/test_gem_installer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/installer_test_case'
+require_relative 'installer_test_case'
 
 class TestGemInstaller < Gem::InstallerTestCase
   def setup
diff --git a/test/rubygems/test_gem_local_remote_options.rb b/test/rubygems/test_gem_local_remote_options.rb
index 2373bbde1fdf..64bb2e28b2c9 100644
--- a/test/rubygems/test_gem_local_remote_options.rb
+++ b/test/rubygems/test_gem_local_remote_options.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/local_remote_options'
 require 'rubygems/command'
 
diff --git a/test/rubygems/test_gem_name_tuple.rb b/test/rubygems/test_gem_name_tuple.rb
index 92cfe6c1d214..f4e961e21253 100644
--- a/test/rubygems/test_gem_name_tuple.rb
+++ b/test/rubygems/test_gem_name_tuple.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/name_tuple'
 
 class TestGemNameTuple < Gem::TestCase
diff --git a/test/rubygems/test_gem_package.rb b/test/rubygems/test_gem_package.rb
index 53c2cbef6680..dbb037fd80ed 100644
--- a/test/rubygems/test_gem_package.rb
+++ b/test/rubygems/test_gem_package.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'rubygems/package/tar_test_case'
+require_relative 'package/tar_test_case'
 require 'digest'
 
 class TestGemPackage < Gem::Package::TarTestCase
diff --git a/test/rubygems/test_gem_package_old.rb b/test/rubygems/test_gem_package_old.rb
index 3477e001dc79..23d7d46d3bbe 100644
--- a/test/rubygems/test_gem_package_old.rb
+++ b/test/rubygems/test_gem_package_old.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 unless Gem.java_platform? # jruby can't require the simple_gem file
   require 'rubygems/simple_gem'
diff --git a/test/rubygems/test_gem_package_tar_header.rb b/test/rubygems/test_gem_package_tar_header.rb
index 9f321e0a7791..0e72a72d6a3f 100644
--- a/test/rubygems/test_gem_package_tar_header.rb
+++ b/test/rubygems/test_gem_package_tar_header.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/package/tar_test_case'
+require_relative 'package/tar_test_case'
 require 'rubygems/package'
 
 class TestGemPackageTarHeader < Gem::Package::TarTestCase
diff --git a/test/rubygems/test_gem_package_tar_reader.rb b/test/rubygems/test_gem_package_tar_reader.rb
index 05b3ac56a66a..277b552f1bc2 100644
--- a/test/rubygems/test_gem_package_tar_reader.rb
+++ b/test/rubygems/test_gem_package_tar_reader.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/package/tar_test_case'
+require_relative 'package/tar_test_case'
 require 'rubygems/package'
 
 class TestGemPackageTarReader < Gem::Package::TarTestCase
diff --git a/test/rubygems/test_gem_package_tar_reader_entry.rb b/test/rubygems/test_gem_package_tar_reader_entry.rb
index bf20388f594e..1be587014617 100644
--- a/test/rubygems/test_gem_package_tar_reader_entry.rb
+++ b/test/rubygems/test_gem_package_tar_reader_entry.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/package/tar_test_case'
+require_relative 'package/tar_test_case'
 require 'rubygems/package'
 
 class TestGemPackageTarReaderEntry < Gem::Package::TarTestCase
diff --git a/test/rubygems/test_gem_package_tar_writer.rb b/test/rubygems/test_gem_package_tar_writer.rb
index 6260f80ef9a8..31a91fa21abd 100644
--- a/test/rubygems/test_gem_package_tar_writer.rb
+++ b/test/rubygems/test_gem_package_tar_writer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/package/tar_test_case'
+require_relative 'package/tar_test_case'
 require 'rubygems/package/tar_writer'
 
 class TestGemPackageTarWriter < Gem::Package::TarTestCase
diff --git a/test/rubygems/test_gem_package_task.rb b/test/rubygems/test_gem_package_task.rb
index 6f217061d228..e6acc9d2f4a5 100644
--- a/test/rubygems/test_gem_package_task.rb
+++ b/test/rubygems/test_gem_package_task.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 
 begin
diff --git a/test/rubygems/test_gem_path_support.rb b/test/rubygems/test_gem_path_support.rb
index 719aee52f6be..b02863d87fe1 100644
--- a/test/rubygems/test_gem_path_support.rb
+++ b/test/rubygems/test_gem_path_support.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 require 'fileutils'
 
diff --git a/test/rubygems/test_gem_platform.rb b/test/rubygems/test_gem_platform.rb
index 84754402ad8d..b94c6fb9cd53 100644
--- a/test/rubygems/test_gem_platform.rb
+++ b/test/rubygems/test_gem_platform.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/platform'
 require 'rbconfig'
 
diff --git a/test/rubygems/test_gem_rdoc.rb b/test/rubygems/test_gem_rdoc.rb
index a8089bdb947e..e9a734901089 100644
--- a/test/rubygems/test_gem_rdoc.rb
+++ b/test/rubygems/test_gem_rdoc.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require 'rubygems'
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/rdoc'
 
 class TestGemRDoc < Gem::TestCase
diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index 69f62b6ca40e..16ae5cf9eb28 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 require 'webrick'
 require 'webrick/https' if Gem::HAVE_OPENSSL
diff --git a/test/rubygems/test_gem_request.rb b/test/rubygems/test_gem_request.rb
index 094d0aecf323..ae5c21a4b92d 100644
--- a/test/rubygems/test_gem_request.rb
+++ b/test/rubygems/test_gem_request.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request'
 require 'ostruct'
 require 'base64'
diff --git a/test/rubygems/test_gem_request_connection_pools.rb b/test/rubygems/test_gem_request_connection_pools.rb
index a6ab002396f6..b2b4236aea2d 100644
--- a/test/rubygems/test_gem_request_connection_pools.rb
+++ b/test/rubygems/test_gem_request_connection_pools.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request'
 require 'timeout'
 
diff --git a/test/rubygems/test_gem_request_set.rb b/test/rubygems/test_gem_request_set.rb
index 404e9b61aae8..c21c2ddf041d 100644
--- a/test/rubygems/test_gem_request_set.rb
+++ b/test/rubygems/test_gem_request_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request_set'
 
 class TestGemRequestSet < Gem::TestCase
diff --git a/test/rubygems/test_gem_request_set_gem_dependency_api.rb b/test/rubygems/test_gem_request_set_gem_dependency_api.rb
index 5891882119d8..805760cde1df 100644
--- a/test/rubygems/test_gem_request_set_gem_dependency_api.rb
+++ b/test/rubygems/test_gem_request_set_gem_dependency_api.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request_set'
 
 class TestGemRequestSetGemDependencyAPI < Gem::TestCase
diff --git a/test/rubygems/test_gem_request_set_lockfile.rb b/test/rubygems/test_gem_request_set_lockfile.rb
index 2ad743c5a13f..200a04dfc935 100644
--- a/test/rubygems/test_gem_request_set_lockfile.rb
+++ b/test/rubygems/test_gem_request_set_lockfile.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request_set'
 require 'rubygems/request_set/lockfile'
 
diff --git a/test/rubygems/test_gem_request_set_lockfile_parser.rb b/test/rubygems/test_gem_request_set_lockfile_parser.rb
index 2954df70d8a2..6d48d8c9afc8 100644
--- a/test/rubygems/test_gem_request_set_lockfile_parser.rb
+++ b/test/rubygems/test_gem_request_set_lockfile_parser.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request_set'
 require 'rubygems/request_set/lockfile'
 require 'rubygems/request_set/lockfile/tokenizer'
diff --git a/test/rubygems/test_gem_request_set_lockfile_tokenizer.rb b/test/rubygems/test_gem_request_set_lockfile_tokenizer.rb
index a81ecac7b7f9..f146ec679e0a 100644
--- a/test/rubygems/test_gem_request_set_lockfile_tokenizer.rb
+++ b/test/rubygems/test_gem_request_set_lockfile_tokenizer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/request_set'
 require 'rubygems/request_set/lockfile'
 require 'rubygems/request_set/lockfile/tokenizer'
diff --git a/test/rubygems/test_gem_requirement.rb b/test/rubygems/test_gem_requirement.rb
index c4f05342bd9a..577bcef2ccbe 100644
--- a/test/rubygems/test_gem_requirement.rb
+++ b/test/rubygems/test_gem_requirement.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require "rubygems/requirement"
 
 class TestGemRequirement < Gem::TestCase
diff --git a/test/rubygems/test_gem_resolver.rb b/test/rubygems/test_gem_resolver.rb
index fbf94381227a..86546fd3b910 100644
--- a/test/rubygems/test_gem_resolver.rb
+++ b/test/rubygems/test_gem_resolver.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolver < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_activation_request.rb b/test/rubygems/test_gem_resolver_activation_request.rb
index f973c5956d73..305ffa425a73 100644
--- a/test/rubygems/test_gem_resolver_activation_request.rb
+++ b/test/rubygems/test_gem_resolver_activation_request.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverActivationRequest < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_api_set.rb b/test/rubygems/test_gem_resolver_api_set.rb
index aa17ec6f3aac..743604c23a2b 100644
--- a/test/rubygems/test_gem_resolver_api_set.rb
+++ b/test/rubygems/test_gem_resolver_api_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverAPISet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_api_specification.rb b/test/rubygems/test_gem_resolver_api_specification.rb
index e9ba4ae481f8..f847721cb999 100644
--- a/test/rubygems/test_gem_resolver_api_specification.rb
+++ b/test/rubygems/test_gem_resolver_api_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverAPISpecification < Gem::TestCase
   def test_initialize
diff --git a/test/rubygems/test_gem_resolver_best_set.rb b/test/rubygems/test_gem_resolver_best_set.rb
index df6b43876336..e0d06ba9ddb6 100644
--- a/test/rubygems/test_gem_resolver_best_set.rb
+++ b/test/rubygems/test_gem_resolver_best_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverBestSet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_composed_set.rb b/test/rubygems/test_gem_resolver_composed_set.rb
index 7c8ae004a31e..62382af3fccc 100644
--- a/test/rubygems/test_gem_resolver_composed_set.rb
+++ b/test/rubygems/test_gem_resolver_composed_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverComposedSet < Gem::TestCase
   def test_errors
diff --git a/test/rubygems/test_gem_resolver_conflict.rb b/test/rubygems/test_gem_resolver_conflict.rb
index ff5fe9bae379..bd5be6c74ce6 100644
--- a/test/rubygems/test_gem_resolver_conflict.rb
+++ b/test/rubygems/test_gem_resolver_conflict.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverConflict < Gem::TestCase
   def test_explanation
diff --git a/test/rubygems/test_gem_resolver_dependency_request.rb b/test/rubygems/test_gem_resolver_dependency_request.rb
index a8ddc8362bcc..fbce059417ea 100644
--- a/test/rubygems/test_gem_resolver_dependency_request.rb
+++ b/test/rubygems/test_gem_resolver_dependency_request.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverDependencyRequest < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_git_set.rb b/test/rubygems/test_gem_resolver_git_set.rb
index 7b0efa068099..6ed62f04d35f 100644
--- a/test/rubygems/test_gem_resolver_git_set.rb
+++ b/test/rubygems/test_gem_resolver_git_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverGitSet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_git_specification.rb b/test/rubygems/test_gem_resolver_git_specification.rb
index 25e93bb7d59d..6753e2037650 100644
--- a/test/rubygems/test_gem_resolver_git_specification.rb
+++ b/test/rubygems/test_gem_resolver_git_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/installer'
 
 class TestGemResolverGitSpecification < Gem::TestCase
diff --git a/test/rubygems/test_gem_resolver_index_set.rb b/test/rubygems/test_gem_resolver_index_set.rb
index 2de766f60acf..150dcf9c93d4 100644
--- a/test/rubygems/test_gem_resolver_index_set.rb
+++ b/test/rubygems/test_gem_resolver_index_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverIndexSet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_index_specification.rb b/test/rubygems/test_gem_resolver_index_specification.rb
index 382f95c004c8..0d47f9144fd7 100644
--- a/test/rubygems/test_gem_resolver_index_specification.rb
+++ b/test/rubygems/test_gem_resolver_index_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/available_set'
 
 class TestGemResolverIndexSpecification < Gem::TestCase
diff --git a/test/rubygems/test_gem_resolver_installed_specification.rb b/test/rubygems/test_gem_resolver_installed_specification.rb
index b102f98d0082..14b43ebcede8 100644
--- a/test/rubygems/test_gem_resolver_installed_specification.rb
+++ b/test/rubygems/test_gem_resolver_installed_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverInstalledSpecification < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_installer_set.rb b/test/rubygems/test_gem_resolver_installer_set.rb
index d45a527d2f13..dc4f33bb843d 100644
--- a/test/rubygems/test_gem_resolver_installer_set.rb
+++ b/test/rubygems/test_gem_resolver_installer_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverInstallerSet < Gem::TestCase
   def test_add_always_install
diff --git a/test/rubygems/test_gem_resolver_local_specification.rb b/test/rubygems/test_gem_resolver_local_specification.rb
index 67b8f34cc12a..953372124387 100644
--- a/test/rubygems/test_gem_resolver_local_specification.rb
+++ b/test/rubygems/test_gem_resolver_local_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/available_set'
 
 class TestGemResolverLocalSpecification < Gem::TestCase
diff --git a/test/rubygems/test_gem_resolver_lock_set.rb b/test/rubygems/test_gem_resolver_lock_set.rb
index cb03e0b5f86d..62abf00c49d3 100644
--- a/test/rubygems/test_gem_resolver_lock_set.rb
+++ b/test/rubygems/test_gem_resolver_lock_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverLockSet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_lock_specification.rb b/test/rubygems/test_gem_resolver_lock_specification.rb
index 07654a916402..7c3d695e8f9e 100644
--- a/test/rubygems/test_gem_resolver_lock_specification.rb
+++ b/test/rubygems/test_gem_resolver_lock_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/installer'
 require 'rubygems/resolver'
 
diff --git a/test/rubygems/test_gem_resolver_requirement_list.rb b/test/rubygems/test_gem_resolver_requirement_list.rb
index af8a77ef4b74..c6b8e24ca212 100644
--- a/test/rubygems/test_gem_resolver_requirement_list.rb
+++ b/test/rubygems/test_gem_resolver_requirement_list.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverRequirementList < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_specification.rb b/test/rubygems/test_gem_resolver_specification.rb
index 8b50bf91bd99..a8dc4daf714f 100644
--- a/test/rubygems/test_gem_resolver_specification.rb
+++ b/test/rubygems/test_gem_resolver_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverSpecification < Gem::TestCase
   class TestSpec < Gem::Resolver::Specification
diff --git a/test/rubygems/test_gem_resolver_vendor_set.rb b/test/rubygems/test_gem_resolver_vendor_set.rb
index 19cc7383c6f3..8bedc13cdd00 100644
--- a/test/rubygems/test_gem_resolver_vendor_set.rb
+++ b/test/rubygems/test_gem_resolver_vendor_set.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverVendorSet < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_resolver_vendor_specification.rb b/test/rubygems/test_gem_resolver_vendor_specification.rb
index dbf0c58e0b04..067ca992f177 100644
--- a/test/rubygems/test_gem_resolver_vendor_specification.rb
+++ b/test/rubygems/test_gem_resolver_vendor_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemResolverVendorSpecification < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_security.rb b/test/rubygems/test_gem_security.rb
index 0badb9676337..d44b6d879c2a 100644
--- a/test/rubygems/test_gem_security.rb
+++ b/test/rubygems/test_gem_security.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/security'
 
 unless Gem::HAVE_OPENSSL
diff --git a/test/rubygems/test_gem_security_policy.rb b/test/rubygems/test_gem_security_policy.rb
index a85791c91806..c5be4d9112b8 100644
--- a/test/rubygems/test_gem_security_policy.rb
+++ b/test/rubygems/test_gem_security_policy.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 unless Gem::HAVE_OPENSSL
   warn 'Skipping Gem::Security::Policy tests.  openssl not found.'
diff --git a/test/rubygems/test_gem_security_signer.rb b/test/rubygems/test_gem_security_signer.rb
index 9a369a2518a4..be909f6fb3d2 100644
--- a/test/rubygems/test_gem_security_signer.rb
+++ b/test/rubygems/test_gem_security_signer.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 unless Gem::HAVE_OPENSSL
   warn 'Skipping Gem::Security::Signer tests.  openssl not found.'
diff --git a/test/rubygems/test_gem_security_trust_dir.rb b/test/rubygems/test_gem_security_trust_dir.rb
index 6dc0997eaf61..89243f294484 100644
--- a/test/rubygems/test_gem_security_trust_dir.rb
+++ b/test/rubygems/test_gem_security_trust_dir.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 unless Gem::HAVE_OPENSSL
   warn 'Skipping Gem::Security::TrustDir tests.  openssl not found.'
diff --git a/test/rubygems/test_gem_server.rb b/test/rubygems/test_gem_server.rb
index aeb7fa2ab950..b6c678ea94c1 100644
--- a/test/rubygems/test_gem_server.rb
+++ b/test/rubygems/test_gem_server.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/server'
 require 'stringio'
 
diff --git a/test/rubygems/test_gem_silent_ui.rb b/test/rubygems/test_gem_silent_ui.rb
index 0d46ab592a51..634426c5d710 100644
--- a/test/rubygems/test_gem_silent_ui.rb
+++ b/test/rubygems/test_gem_silent_ui.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/user_interaction'
 require 'timeout'
 
diff --git a/test/rubygems/test_gem_source.rb b/test/rubygems/test_gem_source.rb
index f7b288ae11d9..44f090a63481 100644
--- a/test/rubygems/test_gem_source.rb
+++ b/test/rubygems/test_gem_source.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 require 'rubygems/indexer'
 
diff --git a/test/rubygems/test_gem_source_fetch_problem.rb b/test/rubygems/test_gem_source_fetch_problem.rb
index 87b190a12c7b..814fc62684a5 100644
--- a/test/rubygems/test_gem_source_fetch_problem.rb
+++ b/test/rubygems/test_gem_source_fetch_problem.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemSourceFetchProblem < Gem::TestCase
   def test_exception
diff --git a/test/rubygems/test_gem_source_git.rb b/test/rubygems/test_gem_source_git.rb
index 749859b024b0..66098704914a 100644
--- a/test/rubygems/test_gem_source_git.rb
+++ b/test/rubygems/test_gem_source_git.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 
 class TestGemSourceGit < Gem::TestCase
diff --git a/test/rubygems/test_gem_source_installed.rb b/test/rubygems/test_gem_source_installed.rb
index 93aa4eb039c5..dd0d756a9ed4 100644
--- a/test/rubygems/test_gem_source_installed.rb
+++ b/test/rubygems/test_gem_source_installed.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 
 class TestGemSourceInstalled < Gem::TestCase
diff --git a/test/rubygems/test_gem_source_list.rb b/test/rubygems/test_gem_source_list.rb
index 7c60af3ff8ab..ce64c514330e 100644
--- a/test/rubygems/test_gem_source_list.rb
+++ b/test/rubygems/test_gem_source_list.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 require 'rubygems'
 require 'rubygems/source_list'
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemSourceList < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_source_local.rb b/test/rubygems/test_gem_source_local.rb
index 7417f8d11117..3845c17f7331 100644
--- a/test/rubygems/test_gem_source_local.rb
+++ b/test/rubygems/test_gem_source_local.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 
 require 'fileutils'
diff --git a/test/rubygems/test_gem_source_lock.rb b/test/rubygems/test_gem_source_lock.rb
index 8c55926d9464..7fec17c3ef28 100644
--- a/test/rubygems/test_gem_source_lock.rb
+++ b/test/rubygems/test_gem_source_lock.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemSourceLock < Gem::TestCase
   def test_fetch_spec
diff --git a/test/rubygems/test_gem_source_specific_file.rb b/test/rubygems/test_gem_source_specific_file.rb
index f6d6aa51d535..2cda6c7a46ec 100644
--- a/test/rubygems/test_gem_source_specific_file.rb
+++ b/test/rubygems/test_gem_source_specific_file.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 
 class TestGemSourceSpecificFile < Gem::TestCase
diff --git a/test/rubygems/test_gem_source_vendor.rb b/test/rubygems/test_gem_source_vendor.rb
index 18a3f47f45d4..cf7458194227 100644
--- a/test/rubygems/test_gem_source_vendor.rb
+++ b/test/rubygems/test_gem_source_vendor.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/source'
 
 class TestGemSourceVendor < Gem::TestCase
diff --git a/test/rubygems/test_gem_spec_fetcher.rb b/test/rubygems/test_gem_spec_fetcher.rb
index 8b9470825946..c5672231b516 100644
--- a/test/rubygems/test_gem_spec_fetcher.rb
+++ b/test/rubygems/test_gem_spec_fetcher.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/spec_fetcher'
 
 class TestGemSpecFetcher < Gem::TestCase
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 63a9b4ff17f4..69c98e375c82 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require 'benchmark'
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'date'
 require 'pathname'
 require 'stringio'
diff --git a/test/rubygems/test_gem_stream_ui.rb b/test/rubygems/test_gem_stream_ui.rb
index 9148ad138532..a7a7e9fa9f89 100644
--- a/test/rubygems/test_gem_stream_ui.rb
+++ b/test/rubygems/test_gem_stream_ui.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/user_interaction'
 require 'timeout'
 
diff --git a/test/rubygems/test_gem_stub_specification.rb b/test/rubygems/test_gem_stub_specification.rb
index 4f2e40dde02a..f953d020cd32 100644
--- a/test/rubygems/test_gem_stub_specification.rb
+++ b/test/rubygems/test_gem_stub_specification.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require "rubygems/test_case"
+require_relative "test_case"
 require "rubygems/stub_specification"
 
 class TestStubSpecification < Gem::TestCase
diff --git a/test/rubygems/test_gem_text.rb b/test/rubygems/test_gem_text.rb
index d9f024f1e6b5..cf6b01756c70 100644
--- a/test/rubygems/test_gem_text.rb
+++ b/test/rubygems/test_gem_text.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require "rubygems/text"
 
 class TestGemText < Gem::TestCase
diff --git a/test/rubygems/test_gem_uninstaller.rb b/test/rubygems/test_gem_uninstaller.rb
index 47d49f6cc67b..a002c0c7c892 100644
--- a/test/rubygems/test_gem_uninstaller.rb
+++ b/test/rubygems/test_gem_uninstaller.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/installer_test_case'
+require_relative 'installer_test_case'
 require 'rubygems/uninstaller'
 
 class TestGemUninstaller < Gem::InstallerTestCase
diff --git a/test/rubygems/test_gem_unsatisfiable_dependency_error.rb b/test/rubygems/test_gem_unsatisfiable_dependency_error.rb
index 7950efb2a9dc..81f712348d6a 100644
--- a/test/rubygems/test_gem_unsatisfiable_dependency_error.rb
+++ b/test/rubygems/test_gem_unsatisfiable_dependency_error.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestGemUnsatisfiableDependencyError < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_gem_uri_formatter.rb b/test/rubygems/test_gem_uri_formatter.rb
index debc7739cb47..9f12d8b04825 100644
--- a/test/rubygems/test_gem_uri_formatter.rb
+++ b/test/rubygems/test_gem_uri_formatter.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/uri_formatter'
 
 class TestGemUriFormatter < Gem::TestCase
diff --git a/test/rubygems/test_gem_util.rb b/test/rubygems/test_gem_util.rb
index 69b7043328cd..ce4114608740 100644
--- a/test/rubygems/test_gem_util.rb
+++ b/test/rubygems/test_gem_util.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/util'
 
 class TestGemUtil < Gem::TestCase
diff --git a/test/rubygems/test_gem_validator.rb b/test/rubygems/test_gem_validator.rb
index 5158543fa945..5334a5ef7722 100644
--- a/test/rubygems/test_gem_validator.rb
+++ b/test/rubygems/test_gem_validator.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rubygems/test_case"
+require_relative "test_case"
 require "rubygems/validator"
 
 class TestGemValidator < Gem::TestCase
diff --git a/test/rubygems/test_gem_version.rb b/test/rubygems/test_gem_version.rb
index 91325c221496..aa7c4c92832d 100644
--- a/test/rubygems/test_gem_version.rb
+++ b/test/rubygems/test_gem_version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require "rubygems/version"
 
 class TestGemVersion < Gem::TestCase
diff --git a/test/rubygems/test_gem_version_option.rb b/test/rubygems/test_gem_version_option.rb
index 49a8513dbe82..a0e066109b6c 100644
--- a/test/rubygems/test_gem_version_option.rb
+++ b/test/rubygems/test_gem_version_option.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems/command'
 require 'rubygems/version_option'
 
diff --git a/test/rubygems/test_kernel.rb b/test/rubygems/test_kernel.rb
index c427203b3550..f774ae2f712b 100644
--- a/test/rubygems/test_kernel.rb
+++ b/test/rubygems/test_kernel.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestKernel < Gem::TestCase
   def setup
diff --git a/test/rubygems/test_project_sanity.rb b/test/rubygems/test_project_sanity.rb
index 97fc64fb6a78..f7c08e96197a 100644
--- a/test/rubygems/test_project_sanity.rb
+++ b/test/rubygems/test_project_sanity.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rubygems/test_case"
+require_relative "test_case"
 require "open3"
 
 class TestProjectSanity < Gem::TestCase
diff --git a/test/rubygems/test_remote_fetch_error.rb b/test/rubygems/test_remote_fetch_error.rb
index a1c25bcdda8d..b4ece6044f4f 100644
--- a/test/rubygems/test_remote_fetch_error.rb
+++ b/test/rubygems/test_remote_fetch_error.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 
 class TestRemoteFetchError < Gem::TestCase
   def test_password_redacted
diff --git a/test/rubygems/test_require.rb b/test/rubygems/test_require.rb
index f5d3480a4f87..7039e27dda1f 100644
--- a/test/rubygems/test_require.rb
+++ b/test/rubygems/test_require.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-require 'rubygems/test_case'
+require_relative 'test_case'
 require 'rubygems'
 
 class TestGemRequire < Gem::TestCase