Use test_runner for tests

.github/workflows/tests.yaml

@@ -132,7 +132,7 @@ jobs:
       - name: test
         if: ${{ needs.skip_duplicate_runs.outputs.should_skip != 'true' }}
         timeout-minutes: 6
-        run: bundle exec rake test:all
+        run: ./test_runner --verbose
 
   test_non_mri:
     name: >-
@@ -206,7 +206,7 @@ jobs:
         if: | # only run if previous steps have succeeded
           success() &&
           (needs.skip_duplicate_runs.outputs.should_skip != 'true')
-        run: bundle exec rake test:all
+        run: ./test_runner --verbose
 
       - name: >-
           Test outcome: ${{ steps.test.outcome }}

test_runner

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+# simplified test runner, runs all tests, todo: add more options
+
+require 'bundler/setup'
+
+if RUBY_VERSION >= '2.5'
+  Dir['test/test_*.rb', base: __dir__].each { |tf| require_relative tf }
+else
+  Dir["#{__dir__}/test/test_*.rb"].each { |tf| require tf }
+end
+
+require 'minitest'

test_runner.cmd

@@ -0,0 +1,2 @@
+@ECHO OFF
+@ruby.exe -x "%~dpn0" %*