def METHOD_NAME(self):    
    SurveyFormFieldFactory(
        page=self.survey01, 
        required = True,
        choices = "A|B|C",  
        default_value='',  
        field_type='checkboxes', 
    )
    self.visit_page(self.survey01)
    survey_page = QuestionnairePage(self.selenium)
    survey_page.select_checkboxes("B")
    survey_page.submit_response()
    results_page = QuestionnaireResultsPage(self.selenium)
    self.assertIn("Thankyou for completing the survey", results_page.get_content_text())