def test_should_return_zero_as_avg_build_time_if_no_builds(self):
builds = Builds()
self.assertEquals('0', builds.avg_build_time())
def test_should_calculate_avg_build_time(self):
builds = Builds()
builds.builds = [self.passed_at_oct_11, self.another_passed_at_oct_11, self.failed_at_oct_11]
self.assertEquals('40.67', builds.avg_build_time())
