message: Temporary blacklist of firefox >46
diff: @@ -83,7 +83,10 @@ export let detect = async function detect(): Promise<{[browser: string]: wd.Capa
  for (const browser of browsers) {
  if (!LAUNCHPAD_TO_SELENIUM[browser.name]) continue;
  const converter = LAUNCHPAD_TO_SELENIUM[browser.name];
  - results[browser.name] = converter(browser);
  + const convertedBrowser = converter(browser);
  + if (convertedBrowser) {
  + results[browser.name] = convertedBrowser;
  + }
  }
  return results;
  @@ -122,6 +125,10 @@ function chrome(browser: launchpad.Browser): wd.Capabilities {
  * @return A selenium capabilities object.
  */
  function firefox(browser: launchpad.Browser): wd.Capabilities {
  + const version = browser.version.match(/\d+/)[0];
  + if (parseInt(version, 10) > 46) {
  + return null;
  + }
  return {
  'browserName': 'firefox',
  'version': browser.version.match(/\d+/)[0],
  