*           (a module existing only in test output, not in main output) should be uncommon.</li>
     *     </ul>
     *   </li>
     *   <li>Otherwise (test output contains no module information), then:
     *     <ul>
     *       <li>If the main output is on the module-path, place the test output
     *           on a {@code --patch-module} option.</li>