Stopped using django.utils.unittest in the test suite.

Refs #20680.

2 files changed, 3 insertions, 2 deletions

diff --git a/tests/validation/test_error_messages.py b/tests/validation/test_error_messages.py
index 63c033a750..aa01db6007 100644
--- a/tests/validation/test_error_messages.py
+++ b/tests/validation/test_error_messages.py
@@ -1,10 +1,11 @@
 # -*- encoding: utf-8 -*-
 from __future__ import unicode_literals
 
+from unittest import TestCase
+
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.utils import six
-from django.utils.unittest import TestCase
 
 
 class ValidationMessagesTest(TestCase):
diff --git a/tests/validation/test_unique.py b/tests/validation/test_unique.py
index 038da16494..a481fcb1c4 100644
--- a/tests/validation/test_unique.py
+++ b/tests/validation/test_unique.py
@@ -1,10 +1,10 @@
 from __future__ import absolute_import, unicode_literals
 
 import datetime
+import unittest
 
 from django.core.exceptions import ValidationError
 from django.test import TestCase
-from django.utils import unittest
 
 from .models import (CustomPKModel, UniqueTogetherModel, UniqueFieldsModel,
     UniqueForDateModel, ModelToValidate, Post, FlexibleDatePost,