Laravel PHP custom assertions

Assertions.php

<?php

namespace Tests\Utils;

use Ramsey\Uuid\Uuid;

/**
 * Trait Assertions
 * @package Tests\Utils
 */
trait Assertions
{
    /**
     * Check if the given uuid is valid according to Ramsey\Uuid package
     * @param string $uuid
     */
    public function assertUuidIsValid(string $uuid)
    {
        $message = "The given uuid {$uuid} is not valid";
        
        self::assertThat(Uuid::isValid($uuid), self::isTrue(), $message);
    }
}