new_contents: from seleniumbase import BaseCase
  
  
  class MyTestClass(BaseCase):
  
      def test_contains_selector(self):
          self.open("https://xkcd.com/2207/")
          self.assert_text("Math Work", "#ctitle")
          self.click('a:contains("Next")')
          self.assert_text("Drone Fishing", "#ctitle")
  
subject: Add an example test for the ":contains()" selector