11 files declare their use of WebformNodeBrowserTestBase in Webform 6.x

WebformAccessBrowserTestBase.php in modules/webform_access/tests/src/Functional/WebformAccessBrowserTestBase.php

WebformAlterHooksTest.php in tests/src/Functional/WebformAlterHooksTest.php

WebformNodeAccessClosedTest.php in modules/webform_node/tests/src/Functional/Access/WebformNodeAccessClosedTest.php

WebformNodeAccessPermissionsTest.php in modules/webform_node/tests/src/Functional/Access/WebformNodeAccessPermissionsTest.php

WebformNodeAccessRulesTest.php in modules/webform_node/tests/src/Functional/Access/WebformNodeAccessRulesTest.php

WebformOptionsLimitSourceEntityTest.php in modules/webform_options_limit/tests/src/Functional/WebformOptionsLimitSourceEntityTest.php

WebformScheduledEmailTest.php in modules/webform_scheduled_email/tests/src/Functional/WebformScheduledEmailTest.php

WebformScheduledEmailTranslationTest.php in modules/webform_scheduled_email/tests/src/Functional/WebformScheduledEmailTranslationTest.php

WebformSettingsLimitUniqueTest.php in tests/src/Functional/Settings/WebformSettingsLimitUniqueTest.php

WebformShareNodeTest.php in modules/webform_share/tests/src/Functional/WebformShareNodeTest.php

WebformSubmissionLogNodeTest.php in modules/webform_submission_log/tests/src/Functional/WebformSubmissionLogNodeTest.php