Appium + Mac + ios 实现UI自动化遇到的一个坑（已解决）

遇到的坑

按照appium-doctor的提示，安装好所缺少的各种组件。实际运行Appium的inspector时，参数都输入正确，但是Appium一直提示三个问题：

1. idevice_id没有安装。具体提示为：

   [XCUITest] The ‘idevice_id’ program is not installed. If you are running a real device test it is necessary. Install with ‘brew install libimobiledevice --HEAD’
   

2. ios-deploy 无法使用。具体提示为：

   [MJSONWP] Encountered internal error running command: Error: Could not initialize ios-deploy make sure it is installed (npm install -g ios-deploy) and works on your system.
   

3. carthage 可执行文件找不到。具体提示为：

   Error: Carthage binary is not found. Install using brew install carthage if i