[pango] Try to get rendered output from ci

[Matthias Clasen <matthiasc src gnome org>]

commit 52308a1b6d658728e754916b9a7cae8b405edd35
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jul 16 14:23:24 2019 -0400

    Try to get rendered output from ci
    
    The eventual goal is to have a quick way of seeing
    whether rendering is broken on other platforms.
    For starters, do this for linux.

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1a558544..a0d0b49e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,6 +25,7 @@ gnome-runtime-linux:
     - meson _build
     - ninja -C _build
     - cd _build; meson test --suite pango
+    - cd _build; utils/pango-view --output hello.png ../HELLO.txt
   artifacts:
     name: "%CI_JOB_NAME%-%CI_COMMIT_REF_NAME%"
     when: always