agl-compositor: Add gnome-menus test

Include steps to test gnome-menus support. These steps consist in install
a new application, check that it is shown in the menu and check that it
can be launched.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

test-cases/agl-compositor.yaml

@@ -9,16 +9,20 @@ metadata:
   exec-type: manual
   priority: high
   maintainer: "Apertis Project"
-  description: "Test agl-compositor is able to run."
+  description: "Test that agl-compositor is able to run and gnome-menus is able to show and launch installed applications."
 
   resources:
     - "A monitor connected to the testing target."
 
   expected:
-    - "This test show a basic desktop based on Maynard on top of agl-compositor
-       with a launcher for applications and a menu for audio volume"
+    - "Initially this test shows the Maynard desktop."
     - "@agl-compositor-screenshot.png"
-
+    - "When clicking the launcher button the first time a list of applications is shown."
+    - "@agl-compositor-launcher1-screenshot.png"
+    - "When clicking the launcher button after installing pavucontrol the icon \"Pulse Audio Volume Control\" is in the list."
+    - "@agl-compositor-launcher2-screenshot.png"
+    - "When clicking the icon \"Pulse Audio Volume Control\" the application is launched."
+    - "@agl-compositor-pavucontrol-screenshot.png"
 run:
   steps:
     - "Install agl-compositor package"
@@ -28,3 +32,13 @@ run:
     - "Reboot the machine"
     - $ sudo reboot
     - "Verify that a desktop shows in screen"
+    - "Click the launcher button in the top left to display the available apps"
+    - "Verify that a list of applications is shown"
+    - "Enable Development repositories"
+    - $ sudo apertis-dev
+    - "Install pavucontrol"
+    - $ sudo apt install pavucontrol
+    - "Click on launcher button in the top left to display the installed apps"
+    - "Verify that the \"PulseAudio Volume Control\" application icon is shown"
+    - "Click on the icon"
+    - "Verify that the \"PulseAudio Volume Control\" application is launched"