setVatIds example

'amount' => 0,
            ],
            'vatIdPattern' => '(DE)?[0-9]{9}',
        ];

        $countryRepository->update([$data], Context::createDefaultContext());
        $country = $countryRepository->search($criteria, Context::createDefaultContext())->getEntities()->first();
        static::assertNotNull($country);

        $customer = new CustomerEntity();
        $customer->setCompany('ABC Company');
        $customer->setVatIds(['DE123123123']);

        $context->expects(static::once())->method('getShippingLocation')->willReturn(
            ShippingLocation::createFromCountry($country)
        );

        $context->expects(static::once())->method('getCustomer')->willReturn(
            $customer
        );

        $taxDetector = $this->getContainer()->get(TaxDetector::class);