def ack_handler(error): Assert.not_null(error) Test.complete()
def message_handler(message): Assert.equals("Hello world!", message['body']) Test.complete()
def end_handler(): Assert.true('foo' in messages) Assert.true('bar' in messages) Assert.true('baz' in messages) Test.complete()
def ack_handler(error=None): Assert.null(error) Test.complete()