text: from unittest import TestCase
  
  from basketball_reference_web_scraper.parser_service import ParserService
  from basketball_reference_web_scraper.parsers import PeriodTimestampParser
  
  
  class TestPeriodTimestampParser(TestCase):
      def setUp(self):
          self.parser = PeriodTimestampParser(timestamp_format=ParserService.PLAY_BY_PLAY_TIMESTAMP_FORMAT)
  
      def test_less_than_a_minute_to_seconds(self):
          self.assertEqual(32.1, self.parser.to_seconds(timestamp="0:32.1"))
  
      def test_more_than_a_minute_to_seconds(self):
          self.assertEqual(684.5, self.parser.to_seconds(timestamp="11:24.5"))
  