Issue #3265874: Do not allow apply if active and staged composer locks are identical.

tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php

@@ -40,6 +40,7 @@ abstract class AutomaticUpdatesFunctionalTestBase extends BrowserTestBase {
     // package_manager_bypass is disabling those operations.
     'automatic_updates.composer_executable_validator',
     'package_manager.validator.composer_executable',
+    'package_manager.validator.lock_file'
   ];
 
   /**