minitest-fizzbuzz
init command
$ bundle install --path=vendor/bundle
run minitest assert style
$ bundle exec ruby test/fizz_buzz_test.rb
run minitest spec style
$ bundle exec ruby spec/fizz_buzz_spec.rb
$ bundle install --path=vendor/bundle
$ bundle exec ruby test/fizz_buzz_test.rb
$ bundle exec ruby spec/fizz_buzz_spec.rb