[gnome-desktop/wip/hadess/thumbnail-font-cache] ci: Add missing English langpack for tests

[Bastien Nocera <hadess src gnome org>]

commit 24ba0f2f1b04d4ed435fe26233abe3e297f30012
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jan 8 17:24:27 2019 +0100

    ci: Add missing English langpack for tests

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6453108d..724ecee4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ variables:
                 gobject-introspection-devel systemd-devel iso-codes-devel
                 libseccomp-devel gcc gcc-c++ glibc-devel gnome-common
                 meson redhat-rpm-config
-  TEST_DEPENDENCIES: gnome-desktop-testing xorg-x11-server-Xvfb glibc-langpack-he
+  TEST_DEPENDENCIES: gnome-desktop-testing xorg-x11-server-Xvfb glibc-langpack-he glibc-langpack-en
 
 build_stable:
   before_script: