[wing] gitlab: set meson test multiplier variable

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 296ec8612230724f77ab77f0868961453004a767
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Wed Aug 22 13:18:53 2018 +0200

    gitlab: set meson test multiplier variable

 .gitlab-ci.yml | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1af598c..cd59e43 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,6 +7,9 @@ cache:
   paths:
     - _ccache/
 
+variables:
+  MESON_TEST_TIMEOUT_MULTIPLIER: 2
+
 msys2-mingw32:
   stage: build
   except: