Rename *CacheDriver to *Cache because they don't act as driver anymore

tests/src/Core/Lock/MemcachedCacheLockTest.php

@@ -0,0 +1,29 @@
+<?php
+
+
+namespace Friendica\Test\src\Core\Lock;
+
+use Friendica\Core\Cache\MemcachedCache;
+use Friendica\Core\Config\Configuration;
+use Friendica\Core\Lock\CacheLockDriver;
+use Psr\Log\NullLogger;
+
+/**
+ * @requires extension memcached
+ */
+class MemcachedCacheLockTest extends LockTest
+{
+	protected function getInstance()
+	{
+		$configMock = \Mockery::mock(Configuration::class);
+
+		$configMock
+			->shouldReceive('get')
+			->with('system', 'memcached_hosts')
+			->andReturn([0 => 'localhost, 11211']);
+
+		$logger = new NullLogger();
+
+		return new CacheLockDriver(new MemcachedCache('localhost', $configMock, $logger));
+	}
+}