Merge branch...

Merge branch '4242-failure-in-spec-ee-spec-services-ee-projects-hashed_storage-migrate_attachments_service_spec-rb' into 'master'

Resolve "Failure in spec/ee/spec/services/ee/projects/hashed_storage/migrate_attachments_service_spec.rb"

See merge request gitlab-org/gitlab-ee!3653

spec/ee/spec/services/ee/projects/hashed_storage/migrate_attachments_service_spec.rb

@@ -14,6 +14,7 @@ describe Projects::HashedStorage::MigrateAttachmentsService do
 
     context 'on success' do
       before do
+        TestEnv.clean_test_path
         FileUtils.mkdir_p(FileUploader.dynamic_path_builder(old_attachments_path))
       end