def test_to_time_delta_zero(self):
ret = converter.to_time_delta("00:00:00.000")
assert_that(str(ret), equal_to('0:00:00'))
def test_to_time_delta_more_than_1_day(self):
ret = converter.to_time_delta("31:02:34.567")
assert_that(str(ret), equal_to('1 day, 7:02:34.567000'))