WIP: Replicate gnome-desktop wallclock bug

The gnome-desktop CI hasn't been working for a while because of changes
in gnome-desktop, or the Fedora system underneath.

Try to replicate this bug.

.gitlab-ci.yml

@@ -41,6 +41,7 @@ fedora-x86_64:
     # because it breaks static link.
     - meson configure -Ddtrace=false _build
     - ninja -C _build install
+    - LC_ALL=he_IL.utf8 ./_build/tests/datetime "%a ה־%-e ב%b_%R:%S"
     - GLIB_TEST_COMPILATION=1 $HOME/glib-installed/libexec/installed-tests/glib/static-link.py $HOME/glib-installed/lib/pkgconfig
   artifacts:
     name: "glib-${CI_JOB_NAME}-${CI_COMMIT_REF_NAME}"

.gitlab-ci/Dockerfile

@@ -1,4 +1,4 @@
-FROM fedora:27
+FROM fedora:rawhide
 
 RUN dnf -y install \
     autoconf \
@@ -23,6 +23,7 @@ RUN dnf -y install \
     glibc-langpack-es \
     glibc-langpack-fa \
     glibc-langpack-fr \
+    glibc-langpack-he \
     glibc-langpack-hr \
     glibc-langpack-ja \
     glibc-langpack-lt \