Simulator, for example by executing the following command in the Xcode project (you can use xcodebuild -showsdks to see the list of available SDKs): > xcodebuild -sdk iphonesimulator6.0 Test apps run on the simulator have to be compiled specifically for the Running Tests Preparing your app for test (iOS) Running with multiple versions of Xcode.Automating Mobile Gestures With UiAutomator2 Backend.