composer modified

Author: Saurav

composer.json

@@ -13,7 +13,7 @@
     "require": {
         "php": ">=5.6",
         "php-amqplib/php-amqplib": ">=2.6",
-        "phpunit/phpunit": ">=5.1"
+        "phpunit/phpunit": ">=4.7"
     },
     "autoload": {
         "psr-4": {