Fatal error: Uncaught Error: Class "Drupal\Tests\select2\FunctionalJavascript\Select2JavascriptTestBase" not found in /home/fnbrshareacopy/public_html/modules/contrib/select2/tests/src/FunctionalJavascript/FieldWidget/Select2EntityReferenceWidgetTest.php:19 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/select2/tests/src/FunctionalJavascript/FieldWidget/Select2EntityReferenceWidgetTest.php on line 19