test/unit/attachment_test.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/unit/attachment_test.rb b/test/unit/attachment_test.rb
index 5aa5220a9..80d146cdd 100644
--- a/test/unit/attachment_test.rb
+++ b/test/unit/attachment_test.rb
@@ -475,10 +475,12 @@ class AttachmentTest < ActiveSupport::TestCase
 
   def test_latest_attach_should_support_unicode_case_folding
     a_capital = Attachment.create!(
+      :created_on => 2.days.ago,
       :author => User.find(1),
       :file => mock_file(:filename => 'Ā.TXT')
     )
     a_small = Attachment.create!(
+      :created_on => 1.day.ago,
       :author => User.find(1),
       :file => mock_file(:filename => 'ā.txt')
     )