appveyor: Run xvfb-piglit xts test
2018-08-07 20:59:40 ajax jturney: any chance you have a copy of xts pre-built for cygwin/mingw somewhere?
2018-08-07 21:00:13 ajax jturney: specifically with a mind to hooking that up to the appveyor ci, so if not don't worry about it, absolutely no rush at all