Force phpunit version

Seldaek · Seldaek · commit 91510de74be9 · 2017-03-06T17:27:18.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,4 +15,4 @@ php:
 before_script:
   - composer update
 
-script: phpunit
+script: vendor/bin/phpunit
diff --git a/composer.json b/composer.json
@@ -14,6 +14,9 @@
     "require": {
         "php": "^5.3 || ^7.0"
     },
+    "require-dev": {
+        "phpunit/phpunit": "^4.5"
+    },
     "autoload": {
         "psr-4": { "Seld\\JsonLint\\": "src/Seld/JsonLint/" }
     },
