Fix test for py2k

Author: Ryan P Kilby

tests/test_request.py

@@ -230,6 +230,12 @@ def authenticate(self, request):
         with pytest.raises(WrappedAttributeError, match=expected):
             request.user
 
+        if six.PY2:
+            return
+
+        with pytest.raises(WrappedAttributeError, match=expected):
+            hasattr(request, 'user')
+
         with pytest.raises(WrappedAttributeError, match=expected):
             login(request, self.user)