Minor

Author: Nyholm

.travis.yml

@@ -12,6 +12,7 @@ branches:
 env:
   global:
     - TEST_COMMAND="composer test"
+    - SYMFONY_PHPUNIT_VERSION="6.3"
 
 matrix:
     fast_finish: true
@@ -20,11 +21,13 @@ matrix:
         - php: 7.1
           env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
         - php: 5.5
-          env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak"
+          env: COMPOSER_FLAGS="--prefer-stable --prefer-lowest" SYMFONY_DEPRECATIONS_HELPER="weak" SYMFONY_PHPUNIT_VERSION="5.7"
 
           # Test the latest stable release
         - php: 5.5
+          env: SYMFONY_PHPUNIT_VERSION="5.7"
         - php: 5.6
+          env: SYMFONY_PHPUNIT_VERSION="5.7"
         - php: 7.0
         - php: 7.1
         - php: 7.2