Fix unit tests

- Pass redirect callback to UserController in test

test/ScnSocialAuthTest/Controller/UserControllerTest.php

@@ -47,7 +47,7 @@ public function setUp()
         $this->pm = new PluginManager();
         $this->event = new MvcEvent();
         $this->request = new Request();
-        $this->controller = new UserController();
+        $this->controller = new UserController(\Mockery::mock('ScnSocialAuth\Controller\RedirectCallback'));
         $this->controller->setEvent($this->event);
         $this->controller->setServiceLocator($this->sm);
         $this->controller->setPluginManager($this->pm);