lastName example

$this->resetHistory();
    }

    protected function createCustomer(): string
    {
        $customerId = $this->ids->get('customer');
        $addressId = $this->ids->get('address');

        $customer = (new CustomerBuilder($this->ids, '1337'))
            ->firstName('Max')
            ->lastName('Mustermann')
            ->add('id', $this->ids->get('customer'))
            ->add('email', Uuid::randomHex() . '@example.com')
            ->add('salesChannelId', TestDefaults::SALES_CHANNEL)
            ->add('password', 'shopware')
            ->add('defaultPaymentMethodId', $this->getValidPaymentMethodId())
            ->defaultShippingAddress('address')
            ->defaultBillingAddress('address', [
                'id' => $addressId,
                'customerId' => $customerId,
                'countryId' => $this->getValidCountryId(),
                'salutationId' => $this->getValidSalutationId(),