authelia/test/helpers/assertions/VerifyElementDoesNotExist.ts

import SeleniumWebDriver, { WebDriver } from "selenium-webdriver";

/**
 * 
 * @param driver The selenium web driver
 * @param locator The locator of the element to check it does not exist.
 */
export default async function(driver: WebDriver, locator: SeleniumWebDriver.Locator) {
  const els = await driver.findElements(locator);
  if (els.length > 0) {
    throw new Error("Element exists.");
  }
}