diff --git a/tests/api/endpoints/test_group_discussions.py b/tests/api/endpoints/test_group_discussions.py
index 1165d02b4a..ab977c6e15 100644
--- a/tests/api/endpoints/test_group_discussions.py
+++ b/tests/api/endpoints/test_group_discussions.py
@@ -18,7 +18,7 @@ class GroupDiscussionsTest(BaseTestCase):
         resp = self.client.get(self.endpoint)
         self.assertEqual(200, resp.status_code)
         json_resp = json.loads(resp.content)
-        assert len(json_resp) == 1
+        assert len(json_resp['msgs']) == 1
 
     def test_can_list_with_paginator(self):
         for i in range(10):
@@ -28,18 +28,18 @@ class GroupDiscussionsTest(BaseTestCase):
         resp = self.client.get(self.endpoint + '?page=1&per_page=5')
         self.assertEqual(200, resp.status_code)
         json_resp = json.loads(resp.content)
-        assert len(json_resp) == 5
-        assert json_resp[0]['content'] == 'msg 9'
+        assert len(json_resp['msgs']) == 5
+        assert json_resp['msgs'][0]['content'] == 'msg 9'
 
         resp = self.client.get(self.endpoint + '?page=2&per_page=5')
         json_resp = json.loads(resp.content)
-        assert len(json_resp) == 5
-        assert json_resp[-1]['content'] == 'msg 0'
+        assert len(json_resp['msgs']) == 5
+        assert json_resp['msgs'][-1]['content'] == 'msg 0'
 
         resp = self.client.get(self.endpoint + '?page=3&per_page=5')
         json_resp = json.loads(resp.content)
-        assert len(json_resp) == 5
-        assert json_resp[-1]['content'] == 'msg 0'
+        assert len(json_resp['msgs']) == 5
+        assert json_resp['msgs'][-1]['content'] == 'msg 0'
 
     def test_can_not_list_when_invalid_user(self):
         self.logout()
diff --git a/tests/seahub/group/views/test_group.py b/tests/seahub/group/views/test_group.py
index 0136e6b612..4492783919 100644
--- a/tests/seahub/group/views/test_group.py
+++ b/tests/seahub/group/views/test_group.py
@@ -55,14 +55,3 @@ class GroupDiscussTest(BaseTestCase):
     def test_can_render(self):
         resp = self.client.get(reverse('group_discuss', args=[self.group.id]))
         self.assertEqual(200, resp.status_code)
-
-    def test_public_group_404(self):
-        self.pub_grp = PublicGroup(group_id=self.group.id).save()
-
-        self.client.post(
-            reverse('auth_login'), {'username': self.user.username,
-                                    'password': 'secret'}
-        )
-
-        resp = self.client.get(reverse('group_discuss', args=[self.group.id]))
-        assert resp.status_code == 404