Javascript Mac和iOS中的量角器测试给出ETIMEDOUT错误

我试图在Mac Chrome和iOS Safari浏览器上运行量角器测试。测试套件由测试机触发。selenium和Appium服务器运行在远程Mac机器上，负责Mac Chrome和iOS Safari的运行。测试机器与这些服务器对话以在Mac上执行测试。触发套件时，一堆规范文件出错，Mac显示“error:ETIMEDOUT connect ETIMEDOUT:4444”，Appium显示“error:ETIMEDOUT connect ETIMEDOUT:4723”

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)

堆栈：
错误：ETIMEDOUT连接ETIMEDOUT 3.70.211.54:4444
在ClientRequest。（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\http\index.js:174:16）
在emitOne（events.js:77:13）
在ClientRequest.emit（events.js:169:7）
位于Socket.socketErrorListener（_http_client.js:259:9）
在emitOne（events.js:77:13）
位于Socket.emit（events.js:169:7）
在emitErrorNT（net.js:1253:8）
在doNTCallback2（node.js:441:9）
在进程中调用（node.js:355:17）
From:Task:WebDriver.findElements（By.id（“-example”））
位于[object object].webdriver.webdriver.schedule（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\webdriver\webdriver.js:362:15）
位于[object object].webdriver.webdriver.findElements（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\webdriver\webdriver.js:1002:17）
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\lib\element.js:137:30
在goog.async.run.processWorkQueue（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\async\run.js:124:15）
在进程中调用（node.js:368:9）
错误
位于[object object].ElementArrayFinder.applyAction（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\lib\element.js:382:21）
位于[object object].ElementArrayFinder.（匿名函数）[显示时]（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\lib\element.js:78:17）
位于[object object].ElementFinder.（匿名函数）[显示时]（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\lib\element.js:711:7）
位于D:\Users\Administrator\CI\Perforce\verification\e2e\util\helper.js:46:45
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\webdriver\webdriver.js:720:12
在goog.async.run.processWorkQueue（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\async\run.js:124:15）
在进程中调用（node.js:368:9）
发件人：任务：
在新的wrappedtr（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\base.js:2468:26）
在goog.async.run.processWorkQueue（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\async\run.js:124:15）
在进程中调用（node.js:368:9）
发件人：任务：
在[object object].webdriver.webdriver.wait（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\webdriver\webdriver.js:716:21）
指定了Object.waitForElements（D:\Users\Administrator\CI\performe\verification\e2e\util\helper.js:45:32）
反对。（D:\Users\Administrator\CI\Perforce\verification\e2e\ng specs\MyElement\some-spec.js:190:16）
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasminewd2\index.js:96:23
在新的wrappedtr（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\base.js:2468:26）
在controlFlowExecute（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasminewd2\index.js:82:18）
From:Task：在控制流中运行它（“按回车箭头键”）
反对。（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasminewd2\index.js:81:14）
在attemptAsync（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:1819:24）
在QueueRunner.run（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:1774:9）
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:1801:16
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:1745:9
位于D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasminewd2\index.js:18:5
在goog.async.run.processWorkQueue（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\selenium webdriver\lib\goog\async\run.js:124:15）
从异步测试：
错误
在套房。（D:\Users\Administrator\CI\Performance\verification\e2e hdx\ng specs\Someelement\Someelement-spec.js:188:5）
在addSpecsToSuite（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:743:25）
在Env.descripe（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:713:7）
在jasmineInterface.descripe（D:\Users\Administrator\AppData\Roaming\npm\node\u modules\dragrator\node\u modules\jasmine\node\u modules\jasmine core\lib\jasmine core\jasmine.js:3219:18）
反对。（D:\Users\Administrator\CI\Performance\verification\e2e hdx\ng specs\Someelement\Someelement-spec.js:18:1）