Mir

Comment 0 for bug 1613352

MesaDisplayConfigurationTest.reads_updated_subpixel_information

will timeout under load. First seen here:
https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=yakkety/1811/consoleFull

and reproduced under load locally with lp:mir.