[gnome-games/wip/exalm/stabilize: 4/5] flatpak: Stabilize unit test manifest

[Alexander Mikhaylenko <alexm src gnome org>]

commit f14b08f92f984ab601591586b4a6dcb580a3a784
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Tue Sep 10 16:57:50 2019 +0500

    flatpak: Stabilize unit test manifest

 flatpak/org.gnome.Games.UnitTests.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Games.UnitTests.yml b/flatpak/org.gnome.Games.UnitTests.yml
index 8bb869f3..c6da446b 100644
--- a/flatpak/org.gnome.Games.UnitTests.yml
+++ b/flatpak/org.gnome.Games.UnitTests.yml
@@ -1,6 +1,6 @@
 app-id: org.gnome.Games.UnitTests
 runtime: org.gnome.Platform
-runtime-version: master
+runtime-version: 3.34
 sdk: org.gnome.Sdk
 command: games-unit-tests
 tags:
@@ -81,3 +81,5 @@ modules:
     sources:
       - type: git
         url: https://gitlab.gnome.org/GNOME/retro-gtk.git
+        tag: 0.18.0
+        commit: 62183dc603184c9ac4b895b0146b27f363140421