[mutter] ci: Run whole run-tests.sh in a D-Bus session

[Marge Bot <marge-bot src gnome org>]

commit 2be09ce0452ecbca65d040e26b6fa002b3c6acce
Author: Jonas Ådahl <jadahl gmail com>
Date:   Sat Feb 13 18:46:13 2021 +0100

    ci: Run whole run-tests.sh in a D-Bus session
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>

 .gitlab-ci.yml          | 3 ++-
 .gitlab-ci/run-tests.sh | 7 ++-----
 2 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c57faef9d0..32612bff60 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -254,7 +254,8 @@ build-without-native-backend-and-wayland@x86_64:
     MALLOC_CHECK_: "3"
     NO_AT_BRIDGE: "1"
   script:
-    - bash -x ./.gitlab-ci/run-tests.sh
+    - mkdir -m 700 $XDG_RUNTIME_DIR
+    - dbus-run-session -- bash -x ./.gitlab-ci/run-tests.sh
   artifacts:
     expire_in: 1 day
     reports:
diff --git a/.gitlab-ci/run-tests.sh b/.gitlab-ci/run-tests.sh
index 63726d1171..76b67934ff 100755
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -3,15 +3,12 @@
 set +e
 
 dconf update
-
-mkdir -m 700 $XDG_RUNTIME_DIR
 glib-compile-schemas $GSETTINGS_SCHEMA_DIR
 
 export MUTTER_DEBUG_DUMMY_MODE_SPECS="800x600@10.0"
 
-dbus-run-session -- \
-    xvfb-run -s '+iglx -noreset' \
-        meson test -C build --no-rebuild -t 10 --wrap catchsegv
+xvfb-run -s '+iglx -noreset' \
+    meson test -C build --no-rebuild -t 10 --wrap catchsegv
 
 exit_code=$?