Try class_alias

Author: Jean85

.travis.yml

@@ -29,8 +29,7 @@ jobs:
       name: prefer-lowest
       install:
         - travis_retry travis_wait composer install --no-interaction --prefer-dist
-        - composer remove --dev friendsofphp/php-cs-fixer phpstan/phpstan phpstan/phpstan-phpunit jangregor/phpstan-prophecy
-        - composer require --dev phpunit/phpunit:^6.5.14 --no-update
+        - composer remove --dev friendsofphp/php-cs-fixer phpstan/phpstan phpstan/phpstan-phpunit jangregor/phpstan-prophecy --no-update
         - travis_retry travis_wait composer update --no-interaction --prefer-dist --prefer-stable --prefer-lowest
     - name: sentry/sentry dev-develop
       install: composer require sentry/sentry:dev-develop

test/End2End/End2EndTest.php

@@ -2,11 +2,14 @@
 
 namespace Sentry\SentryBundle\Test\End2End;
 
+use PHPUnit\Framework\TestCase;
 use Sentry\SentryBundle\Test\End2End\App\Kernel;
 use Sentry\State\HubInterface;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\HttpFoundation\Response;
 
+class_alias(TestCase::class, \PHPUnit_Framework_TestCase::class);
+
 class End2EndTest extends WebTestCase
 {
     protected function setUp(): void