(node:37537) UnhandledPromiseRejectionWarning: StaleElementReferenceError: stale element reference: element is not attached to the page document   (Session info: chrome=65.0.3325.181)   (Driver info: chromedriver=2.38.551581 (2c9c29527ada10af4745ab26dd000ebb6d5e055e),platform=Mac OS X 10.13.3 x86_64)
    at Object.checkLegacyResponse (/Users/rahoque/node_modules/selenium-webdriver/lib/error.js:585:15)
    at parseHttpResponse (/Users/rahoque/node_modules/selenium-webdriver/lib/http.js:533:13)
    at Executor.execute (/Users/rahoque/node_modules/selenium-webdriver/lib/http.js:468:26)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7) (node:37537) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1) (node:37537) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.