old_contents: from wolis.test_case import WolisTestCase
  
  class SearchBackendPostgresTest(WolisTestCase):
      def test_set_search_backend(self):
          self.login('morpheus', 'morpheus')
          self.acp_login('morpheus', 'morpheus')
          
          self.change_acp_knob(
              link_text='Search settings',
              check_page_text='Here you can define what search backend will be used',
              name='search_type',
              value='phpbb_search_fulltext_postgres',
          )
  
  if __name__ == '__main__':
      import unittest
      unittest.main()
  
new_contents: from wolis.test_case import WolisTestCase
  
  class SearchBackendPostgresTest(WolisTestCase):
      def test_set_search_backend(self):
          self.login('morpheus', 'morpheus')
          self.acp_login('morpheus', 'morpheus')
          
          self.change_acp_knob(
              link_text='Search settings',
              check_page_text='Here you can define what search backend will be used',
              name='config[search_type]',
              value='phpbb_search_fulltext_postgres',
              confirm=True,
          )
  
  if __name__ == '__main__':
      import unittest
      unittest.main()
  
subject: Make postgres search backend test actually change search backend