Issue #3316855: Remove \Drupal\Tests\package_manager\Kernel\PackageManagerKernelTestBase::copyFixtureFolderToStageDirectoryOnApply()

package_manager/tests/src/Kernel/PackageManagerKernelTestBase.php

@@ -4,7 +4,6 @@ namespace Drupal\Tests\package_manager\Kernel;
 
 use Drupal\Core\DependencyInjection\ContainerBuilder;
 use Drupal\KernelTests\KernelTestBase;
-use Drupal\package_manager\Event\PreApplyEvent;
 use Drupal\package_manager\Event\StageEvent;
 use Drupal\package_manager\StatusCheckTrait;
 use Drupal\package_manager\Validator\DiskSpaceValidator;