Add a factory to the Geo::ProjectRegistry model

spec/factories/geo/project_registry.rb

+FactoryGirl.define do
+  factory :geo_project_registry, class: Geo::ProjectRegistry do
+    project factory: :empty_project
+    last_repository_synced_at nil
+    last_repository_successful_sync_at nil
+    last_wiki_synced_at nil
+    last_wiki_successful_sync_at nil
+    resync_repository true
+    resync_wiki true
+
+    trait :dirty do
+      resync_repository true
+      resync_wiki true
+    end
+
+    trait :repository_dirty do
+      resync_repository true
+      resync_wiki false
+    end
+
+    trait :wiki_dirty do
+      resync_repository false
+      resync_wiki true
+    end
+
+    trait :synced do
+      last_repository_synced_at { 5.days.ago }
+      last_repository_successful_sync_at { 5.days.ago }
+      last_wiki_synced_at { 5.days.ago }
+      last_wiki_successful_sync_at { 5.days.ago }
+      resync_repository false
+      resync_wiki false
+    end
+
+    trait :sync_failed do
+      last_repository_synced_at { 5.days.ago }
+      last_repository_successful_sync_at nil
+      last_wiki_synced_at { 5.days.ago }
+      last_wiki_successful_sync_at nil
+      resync_repository true
+      resync_wiki true
+    end
+  end
+end