pest/tests/PHPUnit/CustomTestCaseInSubFolders/SubFolder/SubFolder/CustomTestCaseInSubFolder.php

<?php

declare(strict_types=1);

namespace Tests\CustomTestCaseInSubFolders\SubFolder\SubFolder;

use PHPUnit\Framework\TestCase;

class CustomTestCaseInSubFolder extends TestCase
{
    public function assertCustomInSubFolderTrue(): void
    {
        expect(true)->toBeTrue();
    }
}