public function testUpdateDataOverrideExistingData()
{
/** @var \Magento\Customer\Model\Data\Customer $customerData */
$customerData = $this->customerFactory->create()->setId(2)->setFirstname('John')->setLastname('Doe')->setDefaultBilling(1);
$this->customerModel->updateData($customerData);
/** @var \Magento\Customer\Model\Data\Customer $updatedCustomerData */
$updatedCustomerData = $this->customerFactory->create()->setId(3)->setFirstname('Jane')->setLastname('Smith')->setDefaultBilling(0);
$updatedCustomerData = $this->customerModel->updateData($updatedCustomerData)->getDataModel();
$this->assertEquals(3, $updatedCustomerData->getId());
$this->assertEquals('Jane', $updatedCustomerData->getFirstname());
$this->assertEquals('Smith', $updatedCustomerData->getLastname());
$this->assertEquals(0, $updatedCustomerData->getDefaultBilling());
}
