Switch to timestamp with time zone

ee/app/workers/ee/repository_check/single_repository_worker.rb

@@ -14,7 +14,7 @@ module EE
 
         project_registry.assign_attributes(
           last_repository_check_failed: !healthy,
-          last_repository_check_at: Time.now
+          last_repository_check_at: Time.zone.now
         )
         project_registry.save!
       end

ee/db/geo/migrate/20180427114641_add_repository_check_to_geo_project_registry.rb

@@ -8,6 +8,6 @@ class AddRepositoryCheckToGeoProjectRegistry < ActiveRecord::Migration
 
   def change
     add_column :project_registry, :last_repository_check_failed, :boolean
-    add_column :project_registry, :last_repository_check_at, :datetime
+    add_column :project_registry, :last_repository_check_at, :datetime_with_timezone
   end
 end

ee/spec/workers/ee/repository_check/single_repository_worker_spec.rb

@@ -38,5 +38,13 @@ describe EE::RepositoryCheck::SingleRepositoryWorker do
 
       expect(project_registry.last_repository_check_failed).to be_falsy
     end
+
+    it 'creates Geo registry when not yet exists' do
+      project_registry.destroy!
+
+      worker.perform(project.id)
+
+      expect(Geo::ProjectRegistry.find_by!(project: project.id).last_repository_check_failed).to be_falsy
+    end
   end
 end