xcrun: error: unable to find utility "instruments", not a developer tool or in PATH
用web storm 运行react-native 工程时，出错：xcrun: error: unable to find utility "instruments", not a developer tool or in PATH
解决办法：
解决方法：在 终端执行如下命令 sudo xcode-select -s /Applications/Xcode.app/Contents/Developer/
注意：前提是你已经安装了xcode