AppSyncPaymentHandler example

$qb->method('from')->willReturnSelf();
        $qb->method('leftJoin')->willReturnSelf();
        $qb->method('andWhere')->willReturnSelf();
        $qb->method('setParameter')->willReturnSelf();
        $qb->method('executeQuery')->willReturn($result);

        $connection = $this->createMock(Connection::class);
        $connection
            ->method('createQueryBuilder')
            ->willReturn($qb);

        $sync = new AppSyncPaymentHandler(
            $this->createMock(OrderTransactionStateHandler::class),
            $this->createMock(StateMachineRegistry::class),
            $this->createMock(PaymentPayloadService::class),
            $this->createMock(EntityRepository::class),
        );

        $async = new AppAsyncPaymentHandler(
            $this->createMock(OrderTransactionStateHandler::class),
            $this->createMock(StateMachineRegistry::class),
            $this->createMock(PaymentPayloadService::class),
            $this->createMock(EntityRepository::class),
        );