ci: Make possible to execute additional expensive checks on GitLab

Install missing GStreamer plugins and enable these checks.
Currently the checks are enabled if valgrind is used.
This as the main "makecheck" job uses address sanitizer which
detects some leaks due to some Glib usage. Valgrind checks uses
some suppression for some Glib leaks so they will work correctly.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Pavel Grunt <pgrunt@redhat.com>

.gitlab-ci.yml

@@ -22,9 +22,13 @@ statistics:
 
 check-valgrind:
   script:
+  - dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm -y
   - dnf debuginfo-install spice-server -y
-  - dnf install valgrind -y
-  - ./autogen.sh --enable-valgrind
+  - >
+    dnf install valgrind
+    gstreamer1-libav gstreamer1-plugins-ugly gstreamer1-plugins-good gstreamer1-plugins-bad-free
+    -y
+  - ./autogen.sh --enable-valgrind --enable-extra-checks
   - make
   - make check-valgrind || (cat server/tests/test-suite-memcheck.log && exit 1)