Make sure that all groups are again removed after the test

unit/test_all.py

@@ -2506,6 +2506,14 @@ class TestModelverse(unittest.TestCase):
         user_logout()
         login("user", "user")
 
+        # Delete all groups again
+        user_logout()
+        login("admin", "admin")
+        group_delete(group_name_2)
+        group_delete(group_name_3)
+        user_logout()
+        login("user", "user")
+
     def test_op_group_list(self):
         group_name_1 = "new_group"      # Group with admin permissions
         group_name_2 = "group2"         # Group without permissions
@@ -2556,6 +2564,14 @@ class TestModelverse(unittest.TestCase):
         user_logout()
         login("user", "user")
 
+        # Delete all groups again
+        user_logout()
+        login("admin", "admin")
+        group_delete(group_name_1)
+        group_delete(group_name_3)
+        user_logout()
+        login("user", "user")
+
     """
     def do_create_user(self, name):
         user_logout()