fix: Updated the error message in test_bulk_change_enrollment

common/djangoapps/student/management/tests/test_bulk_change_enrollment.py

@@ -5,6 +5,7 @@ from unittest.mock import call, patch
 
 import ddt
 import pytest
+import django
 from django.core.management import call_command
 from django.core.management.base import CommandError
 
@@ -106,7 +107,10 @@ class BulkChangeEnrollmentTests(SharedModuleStoreTestCase):
                 commit=True,
             )
 
-        assert 'Error: one of the arguments -c/--course -o/--org is required' == str(err.value)
+        if django.VERSION < (3,0):
+            assert 'Error: one of the arguments -c/--course -o/--org is required' == str(err.value)
+        else:
+            assert 'Error: argument -o/--org: not allowed with argument -c/--course' == str(err.value)
 
     @patch('common.djangoapps.student.models.tracker')
     def test_with_org_and_invalid_to_mode(self, mock_tracker):