begin gem 'minitest', '>= 5.0.0' require 'minitest/autorun' require_relative 'hello_world' rescue Gem::LoadError => e puts "\nMissing Dependency:\n#{e.backtrace.first} #{e.message}" puts 'Minitest 5.0 gem must be installed for the Ruby track.' rescue LoadError => e puts "\nError:\n#{e.backtrace.first} #{e.message}" puts DATA.read exit 1 end # Common test data version: 1.0.0 4b9ae53 class HelloWorldTest < Minitest::Test def test_say_hi # skip assert_equal "Hello, World!", HelloWorld.hello end end __END__ ***************************************************** You got an error, which is exactly as it should be. This is the first step in the Test-Driven Development (TDD) process. The most important part of the error is cannot load such file It's looking for a file named hello_world.rb that doesn't exist yet. To fix the error, create an empty file named hello_world.rb in the same directory as the hello_world_test.rb file. Then run the test again. For more guidance as you work on this exercise, see GETTING_STARTED.md. *****************************************************