const loadMyPage = {
  loadThePage: async function(driver) {
    try {
      await driver.wait(
        until.elementLocated(
          By.css("div.radio-select span:nth-child(7)")
        ),
        20000
      );
    } catch (e) {
      console.trace(loadMyPage.loadThePage);
      throw e;
    }
  }

TypeError: Wait condition must be a promise-like object, function, or a Condition object[0m[90m
      at Driver.wait (node_modules/selenium-webdriver/lib/webdriver.js:928:13)
      at Object.loadMyPage (foobar-tests/page.js:35:20)
      at Context.<anonymous> (foobar-tests/foobar.test.js:32:30)
      at <anonymous>