old_contents: from seleniumbase import BaseCase
  
  
  class FileUploadButtonTests(BaseCase):
  
      """ The main purpose of this is to test the self.choose_file() method. """
  
      def test_file_upload_button(self):
          self.open("https://www.w3schools.com/jsref/tryit.asp"
                    "?filename=tryjsref_fileupload_get")
          if not self.ad_block_on:
              # If ad-blocking is disabled, block anyway.
              self.wait_for_element('[id*="google_ads"]')
              self.remove_elements('[id*="google_ads"]')
          self.switch_to_frame('iframeResult')
          self.add_css_style(
              'input[type="file"]{zoom: 1.5;-moz-transform: scale(1.5);}')
          self.highlight('input[type="file"]')
          self.choose_file('input[type="file"]', "example_logs/screenshot.png")
          self.demo_mode = True  # Adds highlighting to the assert statement
          self.assert_element('input[type="file"]')
  
new_contents: from seleniumbase import BaseCase
  
  
  class FileUploadButtonTests(BaseCase):
  
      """ The main purpose of this is to test the self.choose_file() method. """
  
      def test_file_upload_button(self):
          self.open("https://www.w3schools.com/jsref/tryit.asp"
                    "?filename=tryjsref_fileupload_get")
          self.ad_block()
          self.switch_to_frame('iframeResult')
          self.add_css_style(
              'input[type="file"]{zoom: 1.5;-moz-transform: scale(1.5);}')
          self.highlight('input[type="file"]')
          self.choose_file('input[type="file"]', "example_logs/screenshot.png")
          self.demo_mode = True  # Adds highlighting to the assert statement
          self.assert_element('input[type="file"]')
  
subject: Update an example test