[gitg] Deterministic but ever increasing time for tests

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

commit cb8dbf79df77fa803a983f50093ed15d50bfb74b
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Thu Aug 13 20:18:00 2015 +0200

    Deterministic but ever increasing time for tests

 tests/gitg/application-mock.vala |   13 -------------
 tests/support/repository.vala    |   28 ++++++++++++++++------------
 2 files changed, 16 insertions(+), 25 deletions(-)
---
diff --git a/tests/gitg/application-mock.vala b/tests/gitg/application-mock.vala
index 452e3c6..a9c53c4 100644
--- a/tests/gitg/application-mock.vala
+++ b/tests/gitg/application-mock.vala
@@ -45,19 +45,6 @@ class Gitg.Test.Application : Gitg.Test.Repository, GitgExt.Application
        public GitgExt.Activity? current_activity { owned get { return null; } }
        public Gee.Map<string, string> environment { owned get { return new Gee.HashMap<string, string>(); } }
 
-       public Ggit.Signature? get_verified_committer()
-       {
-               try
-               {
-                       return new Ggit.Signature("test", "test test test", new DateTime.from_unix_utc(0));
-               }
-               catch (Error e)
-               {
-                       assert_no_error(e);
-                       return null;
-               }
-       }
-
        public Gee.ArrayList<SimpleNotification> simple_notifications
        {
                owned get
diff --git a/tests/support/repository.vala b/tests/support/repository.vala
index 0ff97dd..97115cb 100644
--- a/tests/support/repository.vala
+++ b/tests/support/repository.vala
@@ -22,6 +22,7 @@ using Gitg.Test.Assert;
 class Gitg.Test.Repository : Gitg.Test.Test
 {
        protected Gitg.Repository? d_repository;
+       private uint d_current_time;
 
        struct File
        {
@@ -103,6 +104,19 @@ class Gitg.Test.Repository : Gitg.Test.Test
                });
        }
 
+       public Ggit.Signature? get_verified_committer()
+       {
+               try
+               {
+                       return new Ggit.Signature("gitg tester", "gitg-tester gnome org", new 
DateTime.from_unix_utc(d_current_time++));
+               }
+               catch (Error e)
+               {
+                       assert_no_error(e);
+                       return null;
+               }
+       }
+
        protected void commit(string? filename, ...)
        {
                if (d_repository == null)
@@ -153,18 +167,7 @@ class Gitg.Test.Repository : Gitg.Test.Test
                }
 
                // create commit
-               Ggit.Signature sig;
-
-               try
-               {
-                       sig = new Ggit.Signature.now("gitg tester",
-                                                    "gitg-tester gnome org");
-               }
-               catch (GLib.Error e)
-               {
-                       assert_no_error(e);
-                       return;
-               }
+               var sig = get_verified_committer();
 
                Ggit.Tree tree;
 
@@ -348,6 +351,7 @@ class Gitg.Test.Repository : Gitg.Test.Test
        protected override void set_up()
        {
                string wd;
+               d_current_time = 0;
 
                try
                {