xcodebuild
Abra Desktop requires xcodebuild. Xcodebuild is a command-line tool used for executing automated tests on iOS devices and simulators.
Validation
Open the Terminal and run:
xcrun --find xcodebuild
Success
Example of valid path:
/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild
Error
zsh: command not found: xcrun
xcrun: error: unable to find utility "xcodebuild"