Pest Unit Test

hello.php

<?php
namespace GoodDay; 

use Greetings\HelloWordService;

beforeEach(function () {
    $this->helloService = new HelloWordService();
});

it('should say Hello World!', function () {
    $this->assertSame('Hello World!', $this->helloService->sayHelloWorld());
})->group('greetings');

test('greet friends', function (string $name) {
    $this->assertSame("Hello $name!", $this->helloService->sayHelloTo($name));
})->with(['Ana', 'John', 'Marius'])->group('greetings');