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

tests/src/Core/Lock/APCuCacheLockTest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+use Friendica\Core\Cache\APCuCache;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class APCuCacheLockTest extends LockTest
+{
+	protected function setUp()
+	{
+		if (!APCuCache::isAvailable()) {
+			$this->markTestSkipped('APCu is not available');
+		}
+
+		parent::setUp();
+	}
+
+	protected function getInstance()
+	{
+		return new CacheLockDriver(new APCuCache('localhost'));
+	}
+}