fixup! Add failing tests for unimplemented permission method composition

Author: sparkyb

tests/test_permissions.py

@@ -682,8 +682,8 @@ def test_has_permission_not_implemented(self):
         request = factory.get('/1', format='json')
         request.user = self.user
         composed_perm = ~BasicObjectPerm
-        assert composed_perm().has_permission(request, None)
-        assert composed_perm().has_object_permission(request, None, None)
+        assert composed_perm().has_permission(request, None) is NotImplemented
+        assert composed_perm().has_object_permission(request, None, None) is True
 
     def test_has_object_permission_not_implemented(self):
         request = factory.get('/1', format='json')
@@ -692,6 +692,6 @@ def test_has_object_permission_not_implemented(self):
             permissions.IsAdminUser |
             BasicObjectPerm
         )
-        assert not composed_perm().has_permission(request, None)
-        assert not composed_perm().has_object_permission(request, None, None)
+        assert composed_perm().has_permission(request, None) is False
+        assert composed_perm().has_object_permission(request, None, None) is False