chore(spec): cast away typescript error message

spec/ts/noCFPluginConf.ts

@@ -1,5 +1,6 @@
 import * as q from 'q';
 import {Config, protractor} from '../..';
+import {promise as wdpromise} from 'selenium-webdriver';
 const env = require('../environment.js');
 
 export let config: Config = {
@@ -18,7 +19,8 @@ export let config: Config = {
  plugins: [{
  inline: {
  onPageLoad: function() {
- return q.delay(100).then(function() {
+ //TODO: remove cast when @types/selenium-webdriver understands disabling the control flow
+ return (q.delay(100) as any as wdpromise.Promise<void>).then(function() {
  (protractor as any).ON_PAGE_LOAD = true;
  });
  }