module ActionView::TestCase::Behavior::ClassMethods

def helper_method(*methods)
  # Almost a duplicate from ActionController::Helpers
  methods.flatten.each do |method|
    _helpers_for_modification.module_eval <<-end_eval, __FILE__, __LINE__ + 1
      def #{method}(*args, &block)                    # def current_user(*args, &block)
        _test_case.send(:'#{method}', *args, &block)  #   _test_case.send(:'current_user', *args, &block)
      end                                             # end
      ruby2_keywords(:'#{method}') if respond_to?(:ruby2_keywords, true)
    end_eval
  end
end