[gitg] Add references list to action interface mock

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 03a991ed6d3888ced6dff9cfa542105e414044ef
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Thu Aug 13 20:04:26 2015 +0200

    Add references list to action interface mock

 tests/gitg/ref-action-interface-mock.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/tests/gitg/ref-action-interface-mock.vala b/tests/gitg/ref-action-interface-mock.vala
index c0de9c7..e9520b9 100644
--- a/tests/gitg/ref-action-interface-mock.vala
+++ b/tests/gitg/ref-action-interface-mock.vala
@@ -28,6 +28,11 @@ class Gitg.Test.RefActionInterface : Object, GitgExt.RefActionInterface
                Object(application: application);
        }
 
+       public Gee.List<Gitg.Ref> references
+       {
+               owned get { return new Gee.LinkedList<Gitg.Ref>(); }
+       }
+
        public void add_ref(Gitg.Ref reference)
        {