Magento 2 Test App Page

magento2-test.php

<?php

use Magento\Framework\App\Bootstrap;

require __DIR__ . '../../../app/bootstrap.php';

class TestApp extends \Magento\Framework\App\Http implements \Magento\Framework\AppInterface
{
    public function launch()
    {
        /**
         * @var $pluginInstance \Acme\Module\Plugin\Order\Model\TrackStatusPlugin
         * @var $order \Magento\Sales\Api\OrderRepositoryInterface
         */
        $state = $this->_objectManager->get(
            \Magento\Framework\App\State::class
        );
        $state->setAreaCode(\Magento\Framework\App\Area::AREA_FRONTEND);

        $pluginInstance = $this->_objectManager->create(
            \Acme\Module\Plugin\Order\Model\TrackStatusPlugin::class
        );

        $order = $this->_objectManager->create(
            \Magento\Sales\Api\OrderRepositoryInterface::class
        );
        echo get_class($pluginInstance);
        exit;
    }

    /**
     * @inheritdoc
     */
    public function catchException(Bootstrap $bootstrap, \Exception $exception): bool
    {
        return false;
    }
}

$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $_SERVER);
$app = $bootstrap->createApplication('TestApp');
$bootstrap->run($app);