diff --git a/test/irb/test_color.rb b/test/irb/test_color.rb
index ba99b1253..6ad64a0ae 100644
--- a/test/irb/test_color.rb
+++ b/test/irb/test_color.rb
@@ -147,7 +147,7 @@ def test_colorize_code
 
     def test_colorize_code_complete_true
       unless complete_option_supported?
-        skip '`complete: true` is the same as `complete: false` in Ruby 2.6-'
+        pend '`complete: true` is the same as `complete: false` in Ruby 2.6-'
       end
 
       # `complete: true` behaviors. Warn end-of-file.
diff --git a/test/irb/test_color_printer.rb b/test/irb/test_color_printer.rb
index 1afc7ccf5..93ec70014 100644
--- a/test/irb/test_color_printer.rb
+++ b/test/irb/test_color_printer.rb
@@ -30,7 +30,7 @@ def teardown
 
     def test_color_printer
       unless ripper_lexer_scan_supported?
-        skip 'Ripper::Lexer#scan is supported in Ruby 2.7+'
+        pend 'Ripper::Lexer#scan is supported in Ruby 2.7+'
       end
       {
         1 => "#{BLUE}#{BOLD}1#{CLEAR}\n",
diff --git a/test/irb/test_completion.rb b/test/irb/test_completion.rb
index 535690ae2..ab5776202 100644
--- a/test/irb/test_completion.rb
+++ b/test/irb/test_completion.rb
@@ -17,7 +17,7 @@ def test_nonstring_module_name
         status = assert_in_out_err(cmds, "", //, [], bug5938)
         assert(status.success?, bug5938)
       rescue LoadError
-        skip "cannot load irb/completion"
+        pend "cannot load irb/completion"
       end
     end
 
diff --git a/test/irb/test_context.rb b/test/irb/test_context.rb
index 56878af63..8bc259dbb 100644
--- a/test/irb/test_context.rb
+++ b/test/irb/test_context.rb
@@ -79,7 +79,7 @@ def test_evaluate_with_exception
     end
 
     def test_evaluate_with_encoding_error_without_lineno
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       assert_raise_with_message(EncodingError, /invalid symbol/) {
         @context.evaluate(%q[{"\xAE": 1}], 1)
         # The backtrace of this invalid encoding hash doesn't contain lineno.
@@ -87,14 +87,14 @@ def test_evaluate_with_encoding_error_without_lineno
     end
 
     def test_evaluate_with_onigmo_warning
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       assert_warning("(irb):1: warning: character class has duplicated range: /[aa]/\n") do
         @context.evaluate('/[aa]/', 1)
       end
     end
 
     def test_eval_input
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       verbose, $VERBOSE = $VERBOSE, nil
       input = TestInputMethod.new([
         "raise 'Foo'\n",
@@ -117,7 +117,7 @@ def test_eval_input
     end
 
     def test_eval_input_raise2x
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       input = TestInputMethod.new([
         "raise 'Foo'\n",
         "raise 'Bar'\n",
@@ -449,7 +449,7 @@ def main.inspect
     end
 
     def test_eval_input_with_exception
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       verbose, $VERBOSE = $VERBOSE, nil
       input = TestInputMethod.new([
         "def hoge() fuga; end; def fuga() raise; end; hoge\n",
@@ -479,7 +479,7 @@ def test_eval_input_with_exception
     end
 
     def test_eval_input_with_invalid_byte_sequence_exception
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       verbose, $VERBOSE = $VERBOSE, nil
       input = TestInputMethod.new([
         %Q{def hoge() fuga; end; def fuga() raise "A\\xF3B"; end; hoge\n},
@@ -509,7 +509,7 @@ def test_eval_input_with_invalid_byte_sequence_exception
     end
 
     def test_eval_input_with_long_exception
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       verbose, $VERBOSE = $VERBOSE, nil
       nesting = 20
       generated_code = ''
diff --git a/test/irb/test_raise_no_backtrace_exception.rb b/test/irb/test_raise_no_backtrace_exception.rb
index 3031f000e..530adc0cb 100644
--- a/test/irb/test_raise_no_backtrace_exception.rb
+++ b/test/irb/test_raise_no_backtrace_exception.rb
@@ -4,7 +4,7 @@
 module TestIRB
   class TestRaiseNoBacktraceException < Test::Unit::TestCase
     def test_raise_exception
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       bundle_exec = ENV.key?('BUNDLE_GEMFILE') ? ['-rbundler/setup'] : []
       assert_in_out_err(bundle_exec + %w[-rirb -W0 -e IRB.start(__FILE__) -- -f --], <<-IRB, /Exception: foo/, [])
       e = Exception.new("foo")
@@ -15,7 +15,7 @@ def e.backtrace; nil; end
     end
 
     def test_raise_exception_with_invalid_byte_sequence
-      skip if RUBY_ENGINE == 'truffleruby' || /mswin|mingw/ =~ RUBY_PLATFORM
+      pend if RUBY_ENGINE == 'truffleruby' || /mswin|mingw/ =~ RUBY_PLATFORM
       bundle_exec = ENV.key?('BUNDLE_GEMFILE') ? ['-rbundler/setup'] : []
       assert_in_out_err(bundle_exec + %w[-rirb -W0 -e IRB.start(__FILE__) -- -f --], <<~IRB, /A\\xF3B \(StandardError\)/, [])
         raise StandardError, "A\\xf3B"
@@ -23,7 +23,7 @@ def test_raise_exception_with_invalid_byte_sequence
     end
 
     def test_raise_exception_with_different_encoding_containing_invalid_byte_sequence
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       backup_home = ENV["HOME"]
       Dir.mktmpdir("test_irb_raise_no_backtrace_exception_#{$$}") do |tmpdir|
         ENV["HOME"] = tmpdir
diff --git a/test/irb/test_ruby_lex.rb b/test/irb/test_ruby_lex.rb
index 556afbd77..d31d38dc9 100644
--- a/test/irb/test_ruby_lex.rb
+++ b/test/irb/test_ruby_lex.rb
@@ -138,7 +138,7 @@ def test_a_closed_brace_and_not_closed_brace_in_a_line
 
     def test_endless_range_at_end_of_line
       if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.6.0')
-        skip 'Endless range is available in 2.6.0 or later'
+        pend 'Endless range is available in 2.6.0 or later'
       end
       input_with_prompt = [
         PromptRow.new('001:0: :> ', %q(a = 3..)),
@@ -479,7 +479,7 @@ def test_oneliner_def_in_multiple_lines
 
     def test_broken_heredoc
       if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
-        skip 'This test needs Ripper::Lexer#scan to take broken tokens'
+        pend 'This test needs Ripper::Lexer#scan to take broken tokens'
       end
       input_with_correct_indents = [
         Row.new(%q(def foo), nil, 2, 1),
@@ -511,7 +511,7 @@ def dynamic_prompt(&block)
     end
 
     def assert_dynamic_prompt(lines, expected_prompt_list)
-      skip if RUBY_ENGINE == 'truffleruby'
+      pend if RUBY_ENGINE == 'truffleruby'
       ruby_lex = RubyLex.new()
       io = MockIO_DynamicPrompt.new(lines) do |prompt_list|
         error_message = <<~EOM
@@ -555,7 +555,7 @@ def test_dyanmic_prompt_with_blank_line
 
     def test_broken_percent_literal
       if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
-        skip 'This test needs Ripper::Lexer#scan to take broken tokens'
+        pend 'This test needs Ripper::Lexer#scan to take broken tokens'
       end
 
       tokens = RubyLex.ripper_lex_without_warning('%wwww')
@@ -568,7 +568,7 @@ def test_broken_percent_literal
 
     def test_broken_percent_literal_in_method
       if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.7.0')
-        skip 'This test needs Ripper::Lexer#scan to take broken tokens'
+        pend 'This test needs Ripper::Lexer#scan to take broken tokens'
       end
 
       tokens = RubyLex.ripper_lex_without_warning(<<~EOC.chomp)
diff --git a/test/irb/test_workspace.rb b/test/irb/test_workspace.rb
index f028fc3aa..a39bea205 100644
--- a/test/irb/test_workspace.rb
+++ b/test/irb/test_workspace.rb
@@ -39,8 +39,8 @@ def test_code_around_binding
     end
 
     def test_code_around_binding_with_existing_unreadable_file
-      skip 'chmod cannot make file unreadable on windows' if windows?
-      skip 'skipped in root privilege' if Process.uid == 0
+      pend 'chmod cannot make file unreadable on windows' if windows?
+      pend 'skipped in root privilege' if Process.uid == 0
 
       Tempfile.create('irb') do |f|
         code = "IRB::WorkSpace.new(binding)\n"