Import#notify_parent: Update :notified_parent_at

The `#notify_parent` method should update the `notified_parent_at` field
on the child import so we know not to query it in subsequent batches of
parent import notifications.

Add the Timecop gem in order to be able to safely test the DateTime
update.

Refs #3511

1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index f57a9d524..aeb776942 100644
--- a/Gemfile
+++ b/Gemfile
@@ -163,6 +163,7 @@ group :test do
   gem 'simplecov', :require => false
   gem 'simplecov-rcov', :require => false
   gem 'htmlbeautifier'
+  gem 'timecop'
 end
 
 group :test, :development, :dev do