[TESTS] Backported ClockMock mocking (#91)

Author: ViniTou

tests/bootstrap.php

@@ -4,9 +4,21 @@
  * @copyright Copyright (C) Ibexa AS. All rights reserved.
  * @license For full copyright and license information view LICENSE file distributed with this source code.
  */
+use Ibexa\Core\Persistence\Legacy\Content\Gateway\DoctrineDatabase;
+use Ibexa\Core\Persistence\Legacy\Content\Gateway\DoctrineDatabase\QueryBuilder;
+use Ibexa\Core\Repository\ContentService;
+use Symfony\Bridge\PhpUnit\ClockMock;
+
 $file = __DIR__ . '/../vendor/autoload.php';
 if (!file_exists($file)) {
     throw new RuntimeException('Install dependencies using composer to run the test suite.');
 }
 
+// Register ClockMock, as otherwise they are mocked until first method call.
+// Those Mocks are needed for core integration setup.
+
+ClockMock::register(DoctrineDatabase::class);
+ClockMock::register(ContentService::class);
+ClockMock::register(QueryBuilder::class);
+
 $autoload = require_once $file;