Link to attachment should return latest attachment (#7510).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11196 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/object_helpers.rb

@@ -129,4 +129,16 @@ module ObjectHelpers
     board.save!
     board
   end
+
+  def Attachment.generate!(attributes={})
+    @generated_filename ||= 'testfile0'
+    @generated_filename.succ!
+    attributes = attributes.dup
+    attachment = Attachment.new(attributes)
+    attachment.container ||= Issue.find(1)
+    attachment.author ||= User.find(2)
+    attachment.filename = @generated_filename if attachment.filename.blank?
+    attachment.save!
+    attachment
+  end
 end