fix(cli): improve error message on script timeout (#681)

Co-authored-by: Gabe <41127686+Zidious@users.noreply.github.com>
Co-authored-by: Steven Lambert <2433219+straker@users.noreply.github.com>

packages/cli/src/bin/index.ts

@@ -15,6 +15,7 @@ import {
 import axeTestUrls from '../lib/axe-test-urls';
 import event from '../lib/events';
 import { startDriver } from '../lib/webdriver';
+import { error as selenium_error } from 'selenium-webdriver';
 
 const cli = async (
  args: OptionValues,
@@ -108,8 +109,19 @@ const cli = async (
  rules,
  disable
  };
+ let outcome;
  try {
- const outcome = await axeTestUrls(urls, testPageConfigParams, events);
+ try {
+ outcome = await axeTestUrls(urls, testPageConfigParams, events);
+ } catch (e) {
+ if (e instanceof selenium_error.ScriptTimeoutError) {
+ console.error(error('Error: %s'), e.message);
+ console.log(`The timeout is currently configured to be ${timeout} seconds (you can change it with --timeout).`)
+ process.exit(2);
+ } else {
+ throw e;
+ }
+ }
  if (silentMode) {
  process.stdout.write(JSON.stringify(outcome, null, 2));
  return;