tweaked phpunit config

.travis.yml

@@ -31,12 +31,7 @@ before_script:
     - if [ "$TWIG_EXT" == "yes" ]; then sh -c "cd ext/twig && phpize && ./configure --enable-twig && make && make install"; fi
     - if [ "$TWIG_EXT" == "yes" ]; then echo "extension=twig.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`; fi
 
-script: |
-    if [[ $TRAVIS_PHP_VERSION = 7.* || $TRAVIS_PHP_VERSION = nightly ]]; then
-        SYMFONY_PHPUNIT_VERSION=6.5 ./vendor/bin/simple-phpunit
-    else
-        ./vendor/bin/simple-phpunit
-    fi
+script: ./vendor/bin/simple-phpunit
 
 matrix:
     fast_finish: true

composer.json

@@ -31,7 +31,7 @@
         "symfony/polyfill-ctype": "^1.8"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^3.3",
+        "symfony/phpunit-bridge": "^3.4.19|^4.1.8",
         "symfony/debug": "^2.7",
         "psr/container": "^1.0"
     },