code: def _expected_condition_find_element_containing_text(self, element_text_pair):
          
          element, text = element_text_pair
          web_element = self._expected_condition_find_element(element)
          try:
              return web_element if web_element and text in web_element.text else False
          except StaleElementReferenceException:
              return False
docs: Tries to find the element and checks that it contains the specified text, but does not thrown an exception if the element is
              not found
  
          :param element_text_pair: Tuple with 2 items where:
              [0] element: PageElement or element locator as a tuple (locator_type, locator_value) to be found
              [1] text: text to be contained into the element
          :returns: the web element if it contains the text or False
          :rtype: selenium.webdriver.remote.webelement.WebElement or appium.webdriver.webelement.WebElement