Say fizz test failing
Say fizz test passing
Say buzz test failing
Say buzz test passing
Remove duplicate test code
Say fizzbuzz test failing
Say fizzbuzz test passing
Say number test failing
Say number test passing
Refactoring
Say fizz when contains 3 test failing
Say fizz when contains 3 test passing
Test refactoring
Say buzz when contains 5 test failing
Say buzz when contains 5 test passing
Refactoring