HttpException not caught within Browserkit/Client->request

**Symfony version(s) affected**:3.4.12

**Description**  
After updating from symfony 3.4.11 => 3.4.12 many of our integration tests break, cause Symfony\Component\HttpKernel\Exception get not catched anymore. Instead of a response with 400 in case of BadRequestHttpException, the test failed cause this exception.
