Fix redis cache lock driver test

tests/src/Core/Lock/RedisCacheLockDriverTest.php

@@ -3,8 +3,8 @@
 
 namespace Friendica\Test\src\Core\Lock;
 
-use Friendica\Factory\CacheDriverFactory;
 use Friendica\Core\Lock\CacheLockDriver;
+use Friendica\Factory\CacheDriverFactory;
 
 /**
  * @requires extension redis
@@ -23,6 +23,16 @@ class RedisCacheLockDriverTest extends LockTest
 			->with('system', 'redis_port')
 			->andReturn(null);
 
+		$this->configMock
+			->shouldReceive('get')
+			->with('system', 'redis_db')
+			->andReturn(3);
+
+		$this->configMock
+			->shouldReceive('get')
+			->with('system', 'redis_password')
+			->andReturn(null);
+
 		return new CacheLockDriver(CacheDriverFactory::create('redis'));
 	}
 }