A simple test application for iOS, used by Appium for certain tests.
npm install will build the app for a simulator. If you want also to build for
a real device, set the environment variable IOS_REAL_DEVICE or REAL_DEVICE
to a truthy value.
REAL_DEVICE=1 npm install
If any special build information is needed, the XCCONFIG_FILE environment
variable can be set to the path to an xcconfig file.
npm run watch
npm test