'Property marked with special char ! readable by no one'

def test_read_locked_down_protected_prop(self):

    self.set_property_protections()
    request = unit_test_utils.get_fake_request(roles=['member'])
    image = {'name': 'image-1'}
    extra_props = {'x_none_read': 'bar'}
    created_image = self.controller.create(request, image=image, extra_properties=extra_props, tags=[])
    another_request = unit_test_utils.get_fake_request(roles=['fake_role'])
    output = self.controller.show(another_request, created_image.image_id)
    self.assertRaises(KeyError, output.extra_properties.__getitem__, 'x_none_read')
