use phpunit bridge

Author: dbu

.travis.yml

@@ -5,18 +5,24 @@ php:
   - 7.0
   - 7.1
 
+env:
+  global:
+     - SYMFONY_PHPUNIT_DIR=.phpunit SYMFONY_PHPUNIT_REMOVE="symfony/yaml" SYMFONY_PHPUNIT_VERSION=5.7
+
 matrix:
   include:
     - php: hhvm
       dist: trusty
 
 sudo: false
 
-before_install: phpenv config-rm xdebug.ini || true
+before_install:
+  - phpenv config-rm xdebug.ini || true
+  - composer self-update
 
-install: composer dump-autoload
+install: composer update --prefer-dist
 
-script: phpunit
+script: vendor/bin/simple-phpunit
 
 notifications:
   irc: "irc.freenode.org#symfony-cmf"

composer.json

@@ -13,6 +13,9 @@
     "require": {
         "php": "^5.6|^7.0"
     },
+    "require-dev": {
+        "symfony/phpunit-bridge": "^3.2"
+    },
     "autoload": {
         "psr-4": { "Symfony\\Cmf\\Api\\Slugifier\\": "src/" }
     },