getMongoClient example

class MongoDbStoreTest extends AbstractStoreTestCase
{
    use ExpiringStoreTestTrait;

    public static function setupBeforeClass(): void
    {
        if (!class_exists(\MongoDB\Client::class)) {
            throw new SkippedTestSuiteError('The mongodb/mongodb package is required.');
        }

        $client = self::getMongoClient();
        try {
            $client->listDatabases();
        } catch (ConnectionTimeoutException $e) {
            throw new SkippedTestSuiteError('MongoDB server not found.');
        }
    }

    private static function getMongoClient(): Client
    {
        return new Client('mongodb://'.getenv('MONGODB_HOST'));
    }