def test_modify_request_failure(self, request_builder):
request_builder.info["data"] = object()
with pytest.raises(types.Field.FieldAssignmentFailed):
types.Field("hello").modify_request(request_builder, "world")
def test_modify_request(self, request_builder):
types.Field("hello").modify_request(request_builder, "world")
assert request_builder.info["data"]["hello"] == "world"