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

tests/src/Core/Lock/ArrayCacheLockTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Friendica\Test\src\Core\Lock;
+
+use Friendica\Core\Cache\ArrayCache;
+use Friendica\Core\Lock\CacheLockDriver;
+
+class ArrayCacheLockTest extends LockTest
+{
+	protected function getInstance()
+	{
+		return new CacheLockDriver(new ArrayCache('localhost'));
+	}
+
+	public function testLockTTL()
+	{
+		// ArrayCache doesn't support TTL
+		return true;
+	}
+}