[gnome-games/wip/exalm/stabilize: 4/6] flatpak: Stabilize unit test manifest

[Alexander Mikhaylenko <alexm src gnome org>]

commit 53259a6bf5345ed3bf41f32563eca43175d8b81b
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sat Sep 12 18:50:27 2020 +0500

    flatpak: Stabilize unit test manifest

 flatpak/org.gnome.Games.UnitTests.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/flatpak/org.gnome.Games.UnitTests.yml b/flatpak/org.gnome.Games.UnitTests.yml
index 4ec7d8ce..264f5271 100644
--- a/flatpak/org.gnome.Games.UnitTests.yml
+++ b/flatpak/org.gnome.Games.UnitTests.yml
@@ -79,3 +79,5 @@ modules:
     sources:
       - type: git
         url: https://gitlab.gnome.org/GNOME/retro-gtk.git
+        tag: 1.0.1
+        commit: b5a8aaa36fab720e65b271e336333ded803a9121