require 'test_helper' class VerboseFormatterTest < Minitest::Test def setup does_exist = does_exist = nil @error = assert_raises(NameError){ doesnt_exist } end def test_message assert_equal <<~MESSAGE.chomp, @error.message undefined local variable or method `doesnt_exist' for #{method(:to_s).super_method.call} Did you mean? does_exist MESSAGE end end