Merge pull request #5 from yael-lorenzo-olx/patch-3

Update ResponseWithAssertions.php

Author: pproenca

src/Response/Decorator/ResponseWithAssertions.php

@@ -160,4 +160,12 @@ public function retrieve()
         }
         return $this->response->retrieve();
     }
+    
+     /**
+     * @return Response
+     */
+    public function getResponse()
+    {
+        return $this->response;
+    }
 }