Fatal error: Uncaught Error: Class "Drupal\FunctionalJavascriptTests\WebDriverTestBase" not found in /home/fnbrshareacopy/public_html/modules/contrib/page_manager/page_manager_ui/tests/src/FunctionalJavascript/AddVariantSelectionTest.php:12 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/page_manager/page_manager_ui/tests/src/FunctionalJavascript/AddVariantSelectionTest.php on line 12