[gtk/ci-update-at-spi: 1/2] ci: Add libXtst-devel to the Docker image

[Emmanuele Bassi <ebassi src gnome org>]

commit 79f42cec8ed8da424230bf66066e7086e62a8c60
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Dec 16 19:00:02 2019 +0000

    ci: Add libXtst-devel to the Docker image
    
    New requirement from at-spi2-core.
    
    Fixes: #2313

 .gitlab-ci/Dockerfile | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 391f1af9c7..f30d2cba8a 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -53,6 +53,7 @@ RUN dnf -y install \
     libxkbcommon-devel \
     libXrandr-devel \
     libXrender-devel \
+    libXtst-devel \
     libxslt \
     mesa-dri-drivers \
     mesa-libEGL-devel \