Add compatibility layer for Symfony 4.3+, which renamed Client to KernelBrowser.

Author: gnutix

.travis.yml

@@ -28,6 +28,8 @@ matrix:
       env: EXTRA_PACKAGES="doctrine/phpcr-bundle:^1.3 brianium/paratest:^1.0 doctrine/phpcr-odm:^1.3"
     - php: 7.3
       env: SYMFONY_VERSION="^4.1"
+    - php: 7.3
+      env: SYMFONY_VERSION="^4.3@beta"
   allow_failures:
     - php: 7.2
       env: SYMFONY_VERSION="dev-master"

src/Test/WebTestCase.php

@@ -33,6 +33,9 @@
 use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
 use Symfony\Component\Security\Core\User\UserInterface;
 
+// Compatibility layer for Symfony 4.3+
+class_alias('Symfony\Bundle\FrameworkBundle\KernelBrowser', 'Symfony\Bundle\FrameworkBundle\Client');
+
 /**
  * @author Lea Haensenberger
  * @author Lukas Kahwe Smith <smith@pooteeweet.org>