ci: Re-enable the accessibility test suite

Now that we have something that is both reliable and local.

.gitlab-ci/run-tests.sh

@@ -18,7 +18,6 @@ case "${backend}" in
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-broadway
 
     # Store the exit code for the CI run, but always
@@ -38,7 +37,6 @@ case "${backend}" in
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-broadway
 
     exit_code=$?
@@ -57,7 +55,6 @@ case "${backend}" in
                 --print-errorlogs \
                 --setup=${backend} \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-opengl
 
     # don't let Broadway failures fail the run, for now