我正在尝试在Mac-Chrome和iOS-Safari浏览器上运行量角器测试。测试套件由测试机器触发。 selenium和Appium服务器在远程Mac机器上运行，它负责Mac-Chrome和iOS-Safari运行。测试机器与这些服务器通信以在Mac上执行测试。在触发套件时，一堆规范文件错误地显示消息＆＃39;错误：ETIMEDOUT连接ETIMEDOUT：4444＆＃39;对于Mac和＆＃39;错误：ETIMEDOUT连接ETIMEDOUT：4723＆＃39;为Appium。
详细错误：
Stack:
Error: ETIMEDOUT connect ETIMEDOUT 3.70.211.54:4444
at ClientRequest.<anonymous> (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\http\index.js:174:16)
at emitOne (events.js:77:13)
at ClientRequest.emit (events.js:169:7)
at Socket.socketErrorListener (_http_client.js:259:9)
at emitOne (events.js:77:13)
at Socket.emit (events.js:169:7)
at emitErrorNT (net.js:1253:8)
at doNTCallback2 (node.js:441:9)
at process._tickCallback (node.js:355:17)
From: Task: WebDriver.findElements(By.id("-example"))
at [object Object].webdriver.WebDriver.schedule (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\webdriver.js:362:15)
at [object Object].webdriver.WebDriver.findElements (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\webdriver.js:1002:17)
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\lib\element.js:137:30
at goog.async.run.processWorkQueue (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\async\run.js:124:15)
at process._tickCallback (node.js:368:9)
Error
at [object Object].ElementArrayFinder.applyAction_ (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\lib\element.js:382:21)
at [object Object].ElementArrayFinder.(anonymous function) [as isDisplayed] (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\lib\element.js:78:17)
at [object Object].ElementFinder.(anonymous function) [as isDisplayed] (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\lib\element.js:711:7)
at D:\Users\Administrator\CI\Perforce\verification\e2e\util\helper.js:46:45
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\webdriver.js:720:12
at goog.async.run.processWorkQueue (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\async\run.js:124:15)
at process._tickCallback (node.js:368:9)
From: Task: <anonymous>
at new wrappedCtr (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\base.js:2468:26)
at goog.async.run.processWorkQueue (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\async\run.js:124:15)
at process._tickCallback (node.js:368:9)
From: Task: <anonymous wait>
at [object Object].webdriver.WebDriver.wait (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\webdriver.js:716:21)
at Object.waitForElementAsSpecified (D:\Users\Administrator\CI\Perforce\verification\e2e\util\helper.js:45:32)
at Object.<anonymous> (D:\Users\Administrator\CI\Perforce\verification\e2e\ng-specs\MyElement\some-spec.js:190:16)
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\index.js:96:23
at new wrappedCtr (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\base.js:2468:26)
at controlFlowExecute (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\index.js:82:18)
From: Task: Run it("press enter arrow key") in control flow
at Object.<anonymous> (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\index.js:81:14)
at attemptAsync (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:1819:24)
at QueueRunner.run (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:1774:9)
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:1801:16
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:1745:9
at D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasminewd2\index.js:18:5
at goog.async.run.processWorkQueue (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\goog\async\run.js:124:15)
From asynchronous test:
Error
at Suite.<anonymous> (D:\Users\Administrator\CI\Perforce\verification\e2e-hdx\ng-specs\Someelement\Someelement-spec.js:188:5)
at addSpecsToSuite (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:743:25)
at Env.describe (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:713:7)
at jasmineInterface.describe (D:\Users\Administrator\AppData\Roaming\npm\node_modules\protractor\node_modules\jasmine\node_modules\jasmine-core\lib\jasmine-core\jasmine.js:3219:18)
at Object.<anonymous> (D:\Users\Administrator\CI\Perforce\verification\e2e-hdx\ng-specs\Someelement\Someelement-spec.js:18:1)