code: def is_present(self, locator):
          
          return self.driver_wrapper.is_present(locator, search_object=self.element)
docs: Tests to see if an element is present
  
          @type locator:          webdriverwrapper.support.locator.Locator
          @param locator:         locator used in search
  
          @rtype:                 bool
          @return:                True if present, False if not present