require 'test_helper_dummy' module UserTests extend ActiveSupport::Concern included do it 'works' do user_ken.must_be_instance_of User end test 'works with test' do user_ken.must_be_instance_of User end it 'allows custom assertions' do assert_not false end describe 'nested 1' do it('works') { skip } describe 'nested 2' do it('works') { skip } end test 'works with test' do user_ken.must_be_instance_of User end end end end class UserTest < ActiveSupport::TestCase include UserTests it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end describe 'level 1' do it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end describe 'level 2' do it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end end end end describe User do include UserTests it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end describe 'level 1' do it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end describe 'level 2' do it 'reflects' do described_class.must_equal User self.class.described_class.must_equal User end end end end