Put fallback reply-key address first in the References header

The References header is an ordered list of mails, and some clients
only look at the last mail in the list to determine to which mail the
mail is in reply to.

Therefore, to be a less obtrusive as possible, put the fallback
address first.

Some info about the reply key lookup in the References header:
https://docs.gitlab.com/ee/administration/reply_by_email.html#how-it-works

1 files changed, 1 insertions, 1 deletions

diff --git a/spec/support/shared_examples/notify_shared_examples.rb b/spec/support/shared_examples/notify_shared_examples.rb
index d176d3fa425..5beae005cf7 100644
--- a/spec/support/shared_examples/notify_shared_examples.rb
+++ b/spec/support/shared_examples/notify_shared_examples.rb
@@ -77,7 +77,7 @@ shared_examples 'a thread answer email with reply-by-email enabled' do
     aggregate_failures do
       is_expected.to have_header('Message-ID', /\A<.*@#{host}>\Z/)
       is_expected.to have_header('In-Reply-To', "<#{route_key}@#{host}>")
-      is_expected.to have_header('References',  /\A<#{route_key}@#{host}> <reply\-.*@#{host}>\Z/ )
+      is_expected.to have_header('References', /\A<reply\-.*@#{host}> <#{route_key}@#{host}>\Z/ )
       is_expected.to have_subject(/^Re: /)
     end
   end