Issue #3260698: Make it simpler to disable validators in tests

package_manager/tests/src/Kernel/WritableFileSystemValidatorTest.php

@@ -35,7 +35,8 @@ class WritableFileSystemValidatorTest extends PackageManagerKernelTestBase {
   public function register(ContainerBuilder $container) {
     parent::register($container);
 
-    // Replace the file system permissions validator with our test-only version.
+    // Replace the file system permissions validator with our test-only
+    // implementation.
     $container->getDefinition('package_manager.validator.file_system')
       ->setClass(TestWritableFileSystemValidator::class);
   }