-> fail!!! -> turn to 4 4. fix code 1) Failure: TestPowerAssert#test_power_assert_failed [test/test_power_assert.rb:10]: assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class } | | | | | | | | | Array | | | [1, 2, 3] | | #<Enumerator: 3:times> | 3 String