Amend node_type GraphQL test

After Fabien's changes, this needed amendment.

test/Test/API/GraphQL.hs

@@ -38,7 +38,7 @@ tests = sequential $ aroundAll withTestDBAndPort $ do
         withApplication app $ do
           withValidLogin port "gargantua" (GargPassword "secret_key") $ \token -> do
             let query = [r| { "query": "{ nodes(node_id: 2) { node_type } }" } |]
-            let expected = [json| {"data":{"nodes":[{"node_type":"NodeFolder"}]}} |]
+            let expected = [json| {"data":{"nodes":[{"node_type":"NodeFolderPrivate"}]}} |]
             protected token "POST" "/gql" query `shouldRespondWithFragment` expected
 
     describe "check error format" $ do