Issue #3318313: Make OverwriteExistingPackagesValidatorTest fixture less

package_manager/tests/src/Kernel/OverwriteExistingPackagesValidatorTest.php

@@ -67,8 +67,8 @@ class OverwriteExistingPackagesValidatorTest extends PackageManagerKernelTestBas
       'install_path' => '../../modules/module_3',
     ]);
 
-    // module_4, doesn't exist in the active directory but exists in the staged
-    // directory, will cause an error because its path collides with module_1.
+    // module_4 doesn't exist in the active directory but exists in the staged
+    // directory will cause an error because its path collides with module_1.
     $this->addPackage($stage_dir, [
       'name' => 'drupal/module_4',
       'version' => '1.3.0',