Minor: ECS fixes

src/CoreBundle/Migrations/Schema/V200/Version20201212203625.php

@@ -149,7 +149,7 @@ final class Version20201212203625 extends AbstractMigrationChamilo
                     $attempt = $attemptRepo->findOneBy([
                         'user' => $userId,
                         'questionId' => $questionId,
-                        'filename' => $fileName
+                        'filename' => $fileName,
                     ]);
                     if (null !== $attempt) {
                         if ($attempt->getAttemptFiles()->count() > 0) {

tests/CourseBundle/Repository/CQuizRepositoryTest.php

@@ -10,6 +10,7 @@ use Chamilo\CourseBundle\Entity\CQuiz;
 use Chamilo\CourseBundle\Repository\CQuizRepository;
 use Chamilo\Tests\AbstractApiTest;
 use Chamilo\Tests\ChamiloTestTrait;
+use DateTime;
 
 class CQuizRepositoryTest extends AbstractApiTest
 {
@@ -40,7 +41,7 @@ class CQuizRepositoryTest extends AbstractApiTest
             ->setPageResultConfiguration([])
             ->setHideQuestionTitle(true)
             ->setRandomAnswers(false)
-            ->setStartTime(new \DateTime())
+            ->setStartTime(new DateTime())
             ->setExpiredTime(100)
             ->setSaveCorrectAnswers(1)
             ->setDisplayCategoryName(1)