[gnome-user-docs/yelp-check-ci] Enable some yelp-check tests during CI

[David King <davidk src gnome org>]

commit 3c6868b4a5c9a7816a3d8c14b3cad54a12861b3d
Author: David King <amigadave amigadave com>
Date:   Sat Jul 20 21:43:29 2019 +0100

    Enable some yelp-check tests during CI
    
    Related: https://gitlab.gnome.org/GNOME/gnome-user-docs/issues/26

 .gitlab-ci.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 53e3afdc..f422c58b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,12 @@
 build-fedora:
   image: fedora:latest
   before_script:
-    - dnf install -y git autoconf automake make gettext itstool yelp-tools
+    - dnf install -y git autoconf automake make gettext itstool libxslt yelp-tools
   script:
+    - yelp-check ids gnome-help/C system-admin-guide/C
+    - yelp-check links gnome-help/C system-admin-guide/C
+    - yelp-check orphans gnome-help/C system-admin-guide/C
+    - yelp-check validate gnome-help/C system-admin-guide/C
     - ./autogen.sh
     - make
     - make check