TestCase inheritance breaks with setUpTestData (Django 1.8)

tests/test_django_inheritance.py

@@ -0,0 +1,69 @@
+import pytest
+from pytest_django.lazy_django import get_django_version
+
+
+class TestDjangoInheritance:
+    @pytest.mark.skipif(get_django_version() < (1, 7), reason=('Django < 1.8 doesn\'t have setUpTestData'))
+    def test_django(self, django_testdir):
+        django_testdir.create_test_module('''
+            from django.test import TestCase
+
+            class TestBase(TestCase):
+                @classmethod
+                def setUpClass(cls):
+                    print('\\nCALLED: TestBase.setUpClass')
+                    super(TestBase, cls).setUpClass()
+
+                @classmethod
+                def setUpTestData(cls):
+                    print('\\nCALLED: TestBase.setUpTestData')
+                    super(TestBase, cls).setUpTestData()
+
+                @classmethod
+                def tearDownClass(cls):
+                    print('\\nCALLED: TestBase.tearDownClass')
+                    super(TestBase, cls).tearDownClass()
+
+                def test_pass(self):
+                    print('\\nCALLED: TestBase.test_pass')
+
+            class TestDerived(TestBase):
+                @classmethod
+                def setUpClass(cls):
+                    print('\\nCALLED: TestDerived.setUpClass')
+                    super(TestDerived, cls).setUpClass()
+
+                @classmethod
+                def setUpTestData(cls):
+                    print('\\nCALLED: TestDerived.setUpTestData')
+                    super(TestDerived, cls).setUpTestData()
+
+                @classmethod
+                def tearDownClass(cls):
+                    print('\\nCALLED: TestDerived.tearDownClass')
+                    super(TestDerived, cls).tearDownClass()
+
+                def test_derived(self):
+                    print('\\nCALLED: TestDerived.test_derived')
+            ''')
+
+        result = django_testdir.runpytest('-v', '-s')
+        result.stdout.fnmatch_lines([
+            # TestBase execution
+            "CALLED: TestBase.setUpClass",
+            "CALLED: TestBase.setUpTestData",
+            "CALLED: TestBase.test_pass",
+            "CALLED: TestBase.tearDownClass",
+
+            # TestDerived execution
+            "CALLED: TestDerived.setUpClass",
+            "CALLED: TestBase.setUpClass",
+            "CALLED: TestDerived.setUpTestData",    # TODO This line breaks!
+            "CALLED: TestBase.setUpTestData",
+            "CALLED: TestDerived.test_derived",
+            "CALLED: TestBase.test_pass",
+
+            "CALLED: TestBase.tearDownClass",   # TODO tear down in wrong order (?)
+            "CALLED: TestDerived.tearDownClass",
+        ])
+        assert result.ret == 0