diff --git a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
index c65ba293a59c587a3779f07da1ebd9973bbf75a5..6a15afabdb67e8499a147c7fd9eff5d72c740079 100644
--- a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
+++ b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
@@ -41,6 +41,7 @@ class UpdaterFormTest extends AutomaticUpdatesFunctionalTestBase {
     'semver_test',
     'aaa_update_test',
     'automatic_updates_extensions_test',
+    'package_manager_test_api',
   ];
 
   /**
diff --git a/tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php b/tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php
index 97cc989455ec61ba97f8e25f4d2f38f083ade443..36bba376e3b435609b6e5f7b481f1d74d13edb60 100644
--- a/tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php
+++ b/tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php
@@ -22,6 +22,7 @@ abstract class AutomaticUpdatesFunctionalTestBase extends BrowserTestBase {
     'automatic_updates_test_cron',
     'automatic_updates_test_disable_validators',
     'package_manager_bypass',
+    'package_manager_test_api',
   ];
 
   /**