Update .gitea/workflows/test.yml

.gitea/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
           repo-path: tligui_y/slic
           ci-token: ${{ secrets.CI_TOKEN }}
           use_tmux_test: "false" 
-          apt_packages: "postfix meson ninja-build build-essential gcc libdbus-1-dev python3-pip dunst"
+          apt_packages: "postfix meson ninja-build build-essential gcc libdbus-1-dev python3-pip dunst xvfb"
           custom_shell_commands : |
             pixi add pypi:python-dbusmock