module Devise::TestHelpers

def self.included(base)
  base.class_eval do
    ActiveSupport::Deprecation.warn <<-DEPRECATION.strip_heredoc
      [Devise] including `Devise::TestHelpers` is deprecated and will be removed from Devise.
      For controller tests, please include `Devise::Test::ControllerHelpers` instead.
    DEPRECATION
    include Devise::Test::ControllerHelpers
  end
end