'Helper function that will send the desired number of request.
:param rate_measurer: The ``RateMeasurer`` we are testing.
:param num_requests: The number of request we want to send.
:param num_samples: The number of samples to collect.'

def receive_requests(self, rate_measurer, num_requests, num_samples):

    call_duration = 4.567
    for _ in range((num_samples * num_requests)):
        rate_measurer.response_received(call_duration)
