Gather Xcode test run and coverage artifacts and convert them to junit and coverage files.
usage: gather-artifacts [-hvV] [ -i <input-directory> ] [ -o <output-directory> ]
-h --help Show help.
-i --input Input directory in which to search for Xcode artifacts.
-o --output Directory for the output files. Default is current directory.
-v --verbose Verbose.
-V --version Show version.
Gathers Xcode test artifacts and create junit and coverage files.