diff --git a/graphene_django/utils/testing.py b/graphene_django/utils/testing.py
index 584a08b..d923917 100644
--- a/graphene_django/utils/testing.py
+++ b/graphene_django/utils/testing.py
@@ -61,7 +61,7 @@ def graphql_query(
     return resp
 
 
-class GraphQLTestCase(TestCase):
+class GraphQLTestMixin(object):
     """
     Based on: https://www.sam.today/blog/testing-graphql-with-graphene-django/
     """
@@ -139,3 +139,12 @@ class GraphQLTestCase(TestCase):
         """
         content = json.loads(resp.content)
         self.assertIn("errors", list(content.keys()), msg or content)
+
+
+class GraphQLTestCase(GraphQLTestMixin, TestCase):
+    pass
+
+
+class GraphQLTransactionTestCase(GraphQLTestMixin, TransactionTestCase)
+    pass
+