Fixed include issue in tests

Author: Geolim4

tests/CoreDriverOverride.test.php

@@ -14,7 +14,7 @@
 
 chdir(__DIR__);
 require_once __DIR__ . '/../vendor/autoload.php';
-require_once __DIR__ . '/mock/autoload.php';
+require_once __DIR__ . '/mock/Autoload.php';
 $testHelper = new TestHelper('Core driver override');
 
 if (!class_exists(Phpfastcache\DriverTest\Files2\Item::class)

tests/CustomDriver.test.php

@@ -13,7 +13,7 @@
 
 chdir(__DIR__);
 require_once __DIR__ . '/../vendor/autoload.php';
-require_once __DIR__ . '/mock/autoload.php';
+require_once __DIR__ . '/mock/Autoload.php';
 $testHelper = new TestHelper('Custom driver');
 
 if (!class_exists(Phpfastcache\Drivers\Fakefiles\Item::class)