text: from unittest import TestCase
  from unittest.mock import patch, MagicMock
  
  from requests import HTTPError, codes
  
  from basketball_reference_web_scraper.client import season_schedule
  from basketball_reference_web_scraper.errors import InvalidSeason
  from basketball_reference_web_scraper.http_service import HTTPService
  
  
  class TestSeasonSchedule(TestCase):
      @patch.object(HTTPService, "season_schedule")
      def test_not_found_raises_invalid_season(self, mocked_season_schedule):
          mocked_season_schedule.side_effect = HTTPError(response=MagicMock(status_code=codes.not_found))
          self.assertRaisesRegex(
              InvalidSeason,
              "Season end year of jaebaebae is invalid",
              season_schedule,
              season_end_year="jaebaebae")
  
      @patch.object(HTTPService, "season_schedule")
      def test_other_http_error_is_raised(self, mocked_season_schedule):
          mocked_season_schedule.side_effect = HTTPError(response=MagicMock(status_code=codes.internal_server_error))
          self.assertRaises(HTTPError, season_schedule, season_end_year=2018)
  