>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3523894. --> Reported by: [jonathan1055](https://www.drupal.org/user/92645) Related to !355 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>The "test-only changes" job does not properly run javascript tests when using the plain phpunit binary (<code>_PHPUNIT_CONCURRENT=0</code>). The modified test is attempted but is skipped, as in <a href="https://git.drupalcode.org/project/scheduler/-/jobs/5215586">this example</a></p> <p>The log shows</p> <pre>SSSSSSSS&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8 / 8 (100%)<br>Time: 01:12.995, Memory: 6.00 MB<br>OK, but some tests were skipped!<br>Tests: 8, Assertions: 0, Skipped: 8.</pre><p>There is no problem when using run-tests.sh (<code>_PHPUNIT_CONCURRENT=1</code>)</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <h3 id="summary-remaining-tasks">Remaining tasks</h3> > Related issue: [Issue #3523139](https://www.drupal.org/node/3523139)