PimcoreTinkerwellDriver.php

<?php

class PimcoreTinkerwellDriver extends TinkerwellDriver
{
    public function canBootstrap($projectPath): bool
    {
        return true;
    }

    public function bootstrap($projectPath): void
    {
        require_once $projectPath . '/vendor/autoload.php';
        \Pimcore\Bootstrap::setProjectRoot();
        \Pimcore\Bootstrap::bootstrap();
        \Pimcore\Bootstrap::kernel();
    }

    public function appVersion(): string
    {
        return 'Pimcore ' . \Composer\InstalledVersions::getPrettyVersion('pimcore/pimcore');
    }

    public function getAvailableVariables(): array
    {
        return [
            'kernel' => \Pimcore::getKernel(),
            'container' => \Pimcore::getKernel()?->getContainer()->get('test.service_container') ?? \Pimcore::getKernel()?->getContainer(),
        ];
    }
}

services.yaml

services:
    test.service_container:
        class: Symfony\Bundle\FrameworkBundle\Test\TestContainer
        arguments: [ '@kernel', 'test.private_services_locator' ]
        public: true

    test.private_services_locator:
        class: Symfony\Component\DependencyInjection\ServiceLocator
        arguments: [ {} ]
        public: true