Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/drupalshareacopy/public_html/drupal/vendor/consolidation/site-alias/tests/SiteAliasManagerTest.php:8 Stack trace: #0 {main} thrown in /home/drupalshareacopy/public_html/drupal/vendor/consolidation/site-alias/tests/SiteAliasManagerTest.php on line 8