travis ci setup (#1)

ci setup

tests/backend/Feature/AppTest.php

@@ -61,7 +61,7 @@ class AppTest extends TestCase
         // another request with previous session
         $request2 = Request::create(
             '?r=/',
-            'GET',
+            'GET'
             );
         $request2->setSession($prev_session);
 

tests/backend/Feature/AuthTest.php

@@ -109,7 +109,7 @@ class AuthTest extends TestCase
     {
         $request = Request::create(
             '?r=/notfound',
-            'GET',
+            'GET'
             );
 
         $app = $this->bootFreshApp(null, $request);