diff --git a/backend/contest/tests.py b/backend/contest/tests.py
index 0efae5502..71321b847 100644
--- a/backend/contest/tests.py
+++ b/backend/contest/tests.py
@@ -267,13 +267,17 @@ def test_create_problem_bank(self):
         self.create_user("2018123123", "123123")
         url = self.reverse("contest_bank_api")
         response = self.client.post(url, data={"contest_id": contest["id"]})
+        self.assertSuccess(response)
 
 
 class UserContestAPITest(APITestCase):
     def setUp(self):
         # create contest
         admin = self.create_admin()
-        self.contest = Contest.objects.create(created_by=admin, **DEFAULT_CONTEST_DATA)
+        data = copy.deepcopy(DEFAULT_CONTEST_DATA)
+        data.pop("allowed_groups")
+        data.pop("prizes")
+        self.contest = Contest.objects.create(created_by=admin, **data)
 
         # create problem in contest
         data = copy.deepcopy(DEFAULT_PROBLEM_DATA)
diff --git a/frontend/src/pages/oj/views/problem/Problem.vue b/frontend/src/pages/oj/views/problem/Problem.vue
index def6e74f0..168b82c58 100644
--- a/frontend/src/pages/oj/views/problem/Problem.vue
+++ b/frontend/src/pages/oj/views/problem/Problem.vue
@@ -347,7 +347,6 @@ export default {
     ProblemSidebar,
     login,
     register,
-    profileSetting,
     Table,
     VueResizable,
     UserSetting