I’m trying to implement a PHPUnit extension and I need data that the test’s setUp() put in a static property on a class. (Specifically, Drupal’s Database::getAllConnectionInfo().)

It’s not there when the extension gets the PHPUnitEventTestRunnerFinished event. I assume that’s because the extension runs in the test runner process, not the test process.

Is there any way for a PHPUnit extension to get data from the test process?