text: /**
   * Copyright 2018 Google Inc. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  module.exports.addTests = function({testRunner, expect, DeviceDescriptors}) {
    const {describe, xdescribe, fdescribe} = testRunner;
    const {it, fit, xit, it_fails_ffox} = testRunner;
    const iPhone = DeviceDescriptors['iPhone 6'];
    const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
    describe('Touchscreen', function() {
      it('should tap the button', async({page, server}) => {
        await page.emulate(iPhone);
        await page.goto(server.PREFIX + '/input/button.html');
        await page.tap('button');
        expect(await page.evaluate(() => result)).toBe('Clicked');
      });
      it('should report touches', async({page, server}) => {
        await page.emulate(iPhone);
        await page.goto(server.PREFIX + '/input/touches.html');
        const button = await page.$('button');
        await button.tap();
        expect(await page.evaluate(() => getResult())).toEqual(['Touchstart: 0', 'Touchend: 0']);
      });
    });
  };
  