/usr/lib/ruby/vendor_ruby/shoulda.rb is in ruby-shoulda 3.0.0~beta2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | require 'shoulda/version'
require 'shoulda-matchers'
require 'shoulda-context'
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