'Test the style 3 of time_format.'

def test_style_3(self):

    self.assertEqual(utils.time_format(0, 3), '')
    self.assertEqual(utils.time_format(28, 3), '28    seconds')
    self.assertEqual(utils.time_format(92, 3), '1    minute    32    seconds')
    self.assertEqual(utils.time_format(300, 3), '5    minutes    0    seconds')
    self.assertEqual(utils.time_format(660, 3), '11    minutes    0    seconds')
    self.assertEqual(utils.time_format(3600, 3), '1    hour,    0    minutes')
    self.assertEqual(utils.time_format(3725, 3), '1    hour,    2    minutes    5    seconds')
    self.assertEqual(utils.time_format(86350, 3), '23    hours,    59    minutes    10    seconds')
    self.assertEqual(utils.time_format(86800, 3), '1    day,    0    hours,    6    minutes    40    seconds')
    self.assertEqual(utils.time_format(130800, 3), '1    day,    12    hours,    20    minutes    0    seconds')
    self.assertEqual(utils.time_format(530800, 3), '6    days,    3    hours,    26    minutes    40    seconds')
