[gimp/wip/Jehan/CI-meson-test] gitlab-ci: run unit tests for meson builds.

[Jehan <jehanp src gnome org>]

commit c3c303a3da1c4cfc90de38a543f4c00fed652df2
Author: Jehan <jehan girinstud io>
Date:   Fri Jan 3 22:55:09 2020 +0100

    gitlab-ci: run unit tests for meson builds.
    
    Not because they are working better than the ones in autotools, but
    rather because it seems they are simply barely implemented! So of
    course, the few tests currently there work.

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 45e6d0a75c..183710f28e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -148,7 +148,7 @@ gimp-debian/testing-meson:
       -Djavascript=always
       -Dlua=always
     - ninja -C _build
-    # - ninja test
+    - ninja test
 
 gimp-debian/testing-clang:
   extends: .gimp-debian/testing-base
@@ -164,7 +164,7 @@ gimp-debian/testing-clang:
       -Djavascript=always
       -Dlua=always
     - ninja -C _build
-    # - ninja test
+    - ninja test
 
 ## WINDOWS 64-bit CI ##