adds VERBOSE_MINITEST to make mini test output verbose

Author: tisba

.github/workflows/ci.yml

@@ -6,6 +6,9 @@ on:
     branches:
       - main
 
+env:
+  VERBOSE_MINITEST: "true"
+
 jobs:
   test-truffleruby:
     strategy:

Rakefile

@@ -8,6 +8,7 @@ Minitest::TestTask.create(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
   t.test_globs = FileList['test/**/*_test.rb']
+  t.extra_args += ["--verbose"] if ENV["VERBOSE_MINITEST"]
 end
 
 task :default => [:compile, :test]