diff --git a/tests/document/instance.py b/tests/document/instance.py
index 4c67046a..247f6275 100644
--- a/tests/document/instance.py
+++ b/tests/document/instance.py
@@ -2026,8 +2026,6 @@ class ValidatorErrorTest(unittest.TestCase):
         try:
             User().validate()
         except ValidationError, e:
-            expected_error_message = """ValidationError(Field is required: ['username', 'name'])"""
-            self.assertEqual(e.message, expected_error_message)
             self.assertEqual(e.to_dict(), {
                 'username': 'Field is required',
                 'name': 'Field is required'})