def test_equals_2(self):
     self.assertEqual(to_seconds('01:02:03'), 3723)
 def test_none_7(self):
     self.assertIsNone(to_seconds('\n00:00:00'))
 def test_equals(self):
     self.assertEqual(to_seconds('00:00:00'), 0)
 def test_none_6(self):
     self.assertIsNone(to_seconds('00:00:00\n'))
 def test_none_4(self):
     self.assertIsNone(to_seconds('00:0:00'))
 def test_none_2(self):
     self.assertIsNone(to_seconds('01:60:03'))
 def test_none_(self):
     self.assertIsNone(to_seconds('01:02:60'))
 def test_equals_3(self):
     self.assertEqual(to_seconds('99:59:59'), 359999)