Added travis yml

Author: damianopetrungaro

.travis.yml

@@ -0,0 +1,10 @@
+language: "php"
+
+php:
+  - 7.1
+
+install:
+- "composer install"
+
+script:
+- "php vendor/bin/phpunit"

tests/Unit/Fixture/StoppingMiddleware.php

@@ -17,7 +17,12 @@ class StoppingMiddleware implements MiddlewareInterface
      */
     private $fakeResponse;
 
-    public function __construct($fakeResponse)
+    /**
+     * StoppingMiddleware constructor.
+     *
+     * @param ResponseInterface $fakeResponse
+     */
+    public function __construct(ResponseInterface $fakeResponse)
     {
         $this->fakeResponse = $fakeResponse;
     }