def change_field_value(self, field_name, text):
    wd = self.app.wd
    if (text is not None):
        wd.find_element_by_name(field_name).click()
        wd.find_element_by_name(field_name).clear()
        wd.find_element_by_name(field_name).send_keys(text)
def change_field_value(self, field_name, text):
    wd = self.app.wd
    if (text is not None):
        wd.find_element_by_name(field_name).click()
        wd.find_element_by_name(field_name).clear()
        wd.find_element_by_name(field_name).send_keys(text)