'The sum of the generated values is never greater than ``timeout``.'

@given(greater_than_zero().filter((lambda x: (x > 1.0))), st.floats(min_value=0.0, max_value=(5 * 60.0)))
def test_timeout(self, step, timeout):

    b = backoff(step=step, maximum_step=None, timeout=timeout, jitter=None)
    self.assertLessEqual(sum(b), timeout)
