new_contents: import unittest
  
  from streamlink.plugins.tvcatchup import TVCatchup
  
  
  class TestPluginTVCatchup(unittest.TestCase):
      def test_can_handle_url(self):
          # should match
          self.assertTrue(TVCatchup.can_handle_url("http://tvcatchup.com/watch/bbcone"))
          self.assertTrue(TVCatchup.can_handle_url("http://www.tvcatchup.com/watch/five"))
          self.assertTrue(TVCatchup.can_handle_url("https://www.tvcatchup.com/watch/bbctwo"))
  
          # shouldn't match
          self.assertFalse(TVCatchup.can_handle_url("http://www.tvplayer.com/"))
          self.assertFalse(TVCatchup.can_handle_url("http://www.tvcatchup.com/"))
          self.assertFalse(TVCatchup.can_handle_url("http://www.youtube.com/"))
subject: add URL tests