CI: Check test results for cairo-xcb and cairo-x11
Here is the newest entry on my journey to "make CI painfully slow". Before this PR, we are at about 30 minutes for CI. Adding cairo-xcb and cairo-xcb brings this to about 45 minutes.
This required another small tweak to the "ignore test failures via env vars" mechanism, because -
and &
are not allowed in shell variables. Thus, these are now replaced with _
before variable lookup.
Random data point: After this PR, .gitlab-ci.yml
has 276 lines and a size of 68k for an average of 248 bytes per line...