hdk-boilerplate/tests/Unit/GreetingTest.php

<?php

declare(strict_types=1);

namespace Tests\Unit;

use PHPUnit\Framework\TestCase;
use Singularity\HDK\Boilerplate\Example\Greeting;

class GreetingTest extends TestCase
{
    public function testItGreetsUser(): void
    {
        $greeting = new Greeting('Singularity');

        $this->assertSame('Hello Singularity', $greeting->sayHello());
    }
}