code: def asset_element_present(self, locator, msg=None):
          
          e = driver.find_elements_by_locator(locator)
          if len(e) == 0:
              raise AssertionError("Element at %s was not found" % locator)
docs: Hard assert for whether and element is present in the current window/frame
  
          :params locator: the locator of the element to search for
          :params msg: (Optional) msg explaining the difference