Fix http eunit test

 COUCHDB-2824
diff --git a/test/couch_mrview_http_tests.erl b/test/couch_mrview_http_tests.erl
index 0b01450..bd11c7a 100644
--- a/test/couch_mrview_http_tests.erl
+++ b/test/couch_mrview_http_tests.erl
@@ -23,5 +23,6 @@
                                             undefined, #mrargs{})),
 
          ?_assertEqual(#mrargs{group_level=1, group=undefined},
-                       couch_mrview_http:parse_params([{"group_level", "1"}]))
+                       couch_mrview_http:parse_params([{"group_level", "1"}],
+                                            undefined, #mrargs{}))
     ].