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Latest 'mail' gem version triggers "Uninitialized constant Mail::TestMailer (NameError)" #3254

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@benjaminfaure

Hello,

After merge the latest roadmap release, I encountered the following error :
uninitialized constant Mail::TestMailer (NameError)

After some investigation, the error comes from the mail gem that was updated 2 days ago to V2.8.0. It added compatibility to Ruby 3.1.0 but seems to have broken compatibility with other versions.

The roadmap code is not impacted because the version in Gemfile.lock is set to V2.7.1, but I think it would be good to freeze the version in our Gemfile while we are using Ruby 2.7.

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