--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\memcache\Tests\MemcacheLockFunctionalTest.
+ */
+
+namespace Drupal\memcache\Tests;
+
+use Drupal\system\Tests\Lock\LockFunctionalTest;
+
+/**
+ * Confirm locking works between two separate requests.
+ *
+ * @group memcache
+ */
+class MemcacheLockFunctionalTest extends LockFunctionalTest {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['system_test', 'memcache', 'memcache_test'];
+
+}
+