[gtk] CI: set a timeout multiplier for the tests

[Christoph Reiter <creiter src gnome org>]

commit c94867f8a175656d753b809156dc8c4bfa4dce42
Author: Christoph Reiter <creiter src gnome org>
Date:   Tue Mar 26 16:37:22 2019 +0100

    CI: set a timeout multiplier for the tests
    
    CI can be slower than your normal dev machine so give it a bit more time

 .gitlab-ci/test-docker.sh | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/test-docker.sh b/.gitlab-ci/test-docker.sh
index cf1efccd3b..8a952d7356 100755
--- a/.gitlab-ci/test-docker.sh
+++ b/.gitlab-ci/test-docker.sh
@@ -26,6 +26,7 @@ ccache --show-stats
 
 xvfb-run -a -s "-screen 0 1024x768x24" \
     meson test \
+        --timeout-multiplier 2 \
         --print-errorlogs \
         --suite=gtk \
         --no-suite=gtk:gsk \