Improve testing (#937)

* Add minimal dependency for testing desktop apps

* add manifest trigger

.github/workflows/tests-01-main.yml

@@ -5,6 +5,7 @@ on:
     types: [opened, synchronize]
     paths:
       - "01-main/packages/*"
+      - "01-main/manifest"
       - "!01-main/packages/*.html"
       - "!01-main/packages/*.json"
       - "!01-main/packages/timestamp"
@@ -23,11 +24,8 @@ jobs:
         run: |
           sudo apt-get update
 
-          # Dependencies to build the deb
-          # sudo apt-get install build-essential devscripts debhelper -y
-
           # Dependencies for deb-get itself
-          sudo apt-get install apt apt-transport-https bash coreutils curl dpkg gpg grep libc-bin lsb-release sed software-properties-common sudo wget -y
+          sudo apt-get install apt apt-transport-https bash coreutils curl dpkg gpg grep libc-bin lsb-release sed software-properties-common sudo wget desktop-file-utils -y
 
       - name: Initialize /etc/deb-get
         run: |