Restore CI tests

Author: noteflakes

Diff for: .github/workflows/test.yml

@@ -32,5 +32,5 @@ jobs:
     - name: Compile C-extension
       run: bundle exec rake compile
     - name: Run tests
-      run: bundle exec ruby test/test_um.rb --name test_read_each_raising_2
-      # run: bundle exec rake test
+      # run: bundle exec ruby test/test_um.rb --name test_read_each_raising_2
+      run: bundle exec rake test