Run tests verbosely on JRuby

Author: nobu

.github/workflows/test.yml

@@ -52,6 +52,8 @@ jobs:
     - name: Run test
       run: rake # Attempting without 'bundle exec'
       timeout-minutes: 3
+      env:
+        TESTOPTS: ${{ startsWith(matrix.ruby, 'jruby') && '--verbose=verbose' || '' }}
     - id: build
       run: |
         rake build