namespace ; use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase; class extends KernelTestCase { public function testSomething(): void { $kernel = self::bootKernel(); $this->assertSame('test', $kernel->getEnvironment()); // $routerService = static::getContainer()->get('router'); // $myCustomService = static::getContainer()->get(CustomService::class); } }