glib: skip tests which we cannot make pass (#26693)
glib: skip tests which we cannot make pass (#26693)

glib has a few tests which have external dependencies or
try to access the X server. We cannot run those.

Co-authored-by: Massimiliano Culpo <a1d9c16990147e969def18cf36c066aa41dc29c3@gmail.com>
LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack