FizzBuzzTest.php

<?php
require_once 'FizzBuzz.php';
class FizzBuzzTest extends PHPUnit_Framework_TestCase
{
    /**
     * @test
     */
    public function say()
    {
        $fizzBuzz = new FizzBuzz();
        $this->assertEquals('0', $fizzBuzz->say(0));
    }
}