Added test class FizzBuzzTest and made its directory structure reflect to its namespace using the move of refactoring.
Moved the test class file under the directory "tests".
Added "then" of the test "test_Given_1_SHOULD_say_1".
Added "given" of the test "test_Given_1_SHOULD_say_1".
Made file WordHandler.php require_once.
Added file WordHandler.php.
Refactored the directory structure of the file WordHandler.php to reflect the name space.
Passed test "test_Given_1_SHOULD_say_1".