[retro-gtk] flatpak: Disable pulseaudio for unit tests

[Adrien Plazas <aplazas src gnome org>]

commit 41fe3b00a96b8d10e23e12dd535a2440f42ff49f
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Feb 16 21:35:46 2020 +0500

    flatpak: Disable pulseaudio for unit tests
    
    Prevent criticals during tests, as CI environment doesn't have pulseaudio
    server running.

 flatpak/org.gnome.Retro.UnitTests.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Retro.UnitTests.json b/flatpak/org.gnome.Retro.UnitTests.json
index 94f1582..30270a3 100644
--- a/flatpak/org.gnome.Retro.UnitTests.json
+++ b/flatpak/org.gnome.Retro.UnitTests.json
@@ -94,7 +94,8 @@
             "builddir" : true,
             "config-opts" : [
                 "--libdir=lib",
-                "-Dinstall-tests=true"
+                "-Dinstall-tests=true",
+                "-Dpulseaudio=disabled"
             ],
             "sources" : [
                 {