Fix spec.

spec/support/mentionable_shared_examples.rb

@@ -107,16 +107,25 @@ shared_examples 'an editable mentionable' do
   it 'creates new cross-reference notes when the mentionable text is edited' do
     subject.save
 
-    new_text = <<-MSG
+    new_text = <<-MSG.strip_heredoc
       These references already existed:
+
       Issue:  #{mentioned_issue.to_reference}
+
       Commit: #{mentioned_commit.to_reference}
 
+      ---
+
       This cross-project reference already existed:
+
       Issue:  #{ext_issue.to_reference(project)}
 
+      ---
+
       These two references are introduced in an edit:
+
       Issue: #{new_issues[0].to_reference}
+
       Cross: #{new_issues[1].to_reference(project)}
     MSG