2 files changed, 7 insertions, 6 deletions
diff --git a/tests/invalid_models_tests/base.py b/tests/invalid_models_tests/base.py
index a180eec6e2..9459b313d6 100644
--- a/tests/invalid_models_tests/base.py
+++ b/tests/invalid_models_tests/base.py
@@ -2,10 +2,10 @@
 from __future__ import unicode_literals
 
 from django.apps import apps
-from django.test import TestCase
+from django.test import SimpleTestCase
 
 
-class IsolatedModelsTestCase(TestCase):
+class IsolatedModelsTestCase(SimpleTestCase):
 
     def setUp(self):
         # The unmanaged models need to be removed after the test in order to
diff --git a/tests/invalid_models_tests/test_ordinary_fields.py b/tests/invalid_models_tests/test_ordinary_fields.py
index 9baaf70feb..033970aae4 100644
--- a/tests/invalid_models_tests/test_ordinary_fields.py
+++ b/tests/invalid_models_tests/test_ordinary_fields.py
@@ -5,6 +5,7 @@ import unittest
 
 from django.core.checks import Error, Warning as DjangoWarning
 from django.db import connection, models
+from django.test import TestCase
 from django.test.utils import override_settings
 from django.utils.timezone import now
 
@@ -64,7 +65,7 @@ class BooleanFieldTests(IsolatedModelsTestCase):
         self.assertEqual(errors, expected)
 
 
-class CharFieldTests(IsolatedModelsTestCase):
+class CharFieldTests(IsolatedModelsTestCase, TestCase):
 
     def test_valid_field(self):
         class Model(models.Model):
@@ -215,7 +216,7 @@ class CharFieldTests(IsolatedModelsTestCase):
         self.assertEqual(errors, expected)
 
 
-class DateFieldTests(IsolatedModelsTestCase):
+class DateFieldTests(IsolatedModelsTestCase, TestCase):
 
     def test_auto_now_and_auto_now_add_raise_error(self):
         class Model(models.Model):
@@ -281,7 +282,7 @@ class DateFieldTests(IsolatedModelsTestCase):
         self.test_fix_default_value()
 
 
-class DateTimeFieldTests(IsolatedModelsTestCase):
+class DateTimeFieldTests(IsolatedModelsTestCase, TestCase):
 
     def test_fix_default_value(self):
         class Model(models.Model):
@@ -548,7 +549,7 @@ class IntegerFieldTests(IsolatedModelsTestCase):
         self.assertEqual(errors, expected)
 
 
-class TimeFieldTests(IsolatedModelsTestCase):
+class TimeFieldTests(IsolatedModelsTestCase, TestCase):
 
     def test_fix_default_value(self):
         class Model(models.Model):