Use pytest <2.8 assertion to check for outcome

Author: pelme

tests/test_django_settings_module.py

@@ -124,7 +124,7 @@ def test_anything():
     """)
 
     r = testdir.runpytest_subprocess()
-    r.assert_outcomes(passed=1)
+    assert r.parseoutcomes()['passed'] == 1
     assert r.ret == 0