Yii2 db fixtures from array

DbTestCase.php

<?php

namespace tests\codeception\common\unit;

use Codeception\Specify;
use yii\di\Instance;
use yii\test\InitDbFixture;

/**
 * usage:
 *     $this->loadLocalFixtures([
 *        PlaceFixture::className() => [
 *           ['id' => 1, 'filling' => Place::FILL_PARTIAL, 'shipmentId' => 1],
 *       ],
 *       TaskFixture::className() => [
 *           ['placeId' => 1],
 *           ['placeId' => 2],
 *       ],
 *   ]);
 */
class DbTestCase extends \yii\codeception\DbTestCase
{
    use Specify;

    public $appConfig = '@tests/codeception/config/common/unit.php';

    public function loadLocalFixtures($fixtures)
    {
        foreach ($fixtures as $className => &$fixture) {
            $fixturePrepared = [];
            $fixturePrepared['data'] = $fixture;
            $fixturePrepared['dataFile'] = false;
            $fixturePrepared['class'] = $className;
            $fixture = $fixturePrepared;
        }
        unset($fixture);
        array_unshift($fixtures, InitDbFixture::className()); // disables db integrity check

        parent::loadFixtures($this->createFixtures($fixtures));
    }
}