public function testUpdate_handleErrors()
{
$customer = Braintree\Customer::createNoValidate();
$firstToken = 'FIRST_PAYPALToken-' . strval(rand());
$http = new HttpClientApi(Braintree\Configuration::$global);
$firstNonce = $http->nonceForPayPalAccount(['paypal_account' => ['consent_code' => 'PAYPAL_CONSENT_CODE', 'token' => $firstToken]]);
$firstPaypalAccount = Braintree\PaymentMethod::create(['customerId' => $customer->id, 'paymentMethodNonce' => $firstNonce]);
$this->assertTrue($firstPaypalAccount->success);
$secondToken = 'SECOND_PAYPALToken-' . strval(rand());
$http = new HttpClientApi(Braintree\Configuration::$global);
$secondNonce = $http->nonceForPayPalAccount(['paypal_account' => ['consent_code' => 'PAYPAL_CONSENT_CODE', 'token' => $secondToken]]);
$secondPaypalAccount = Braintree\PaymentMethod::create(['customerId' => $customer->id, 'paymentMethodNonce' => $secondNonce]);
$this->assertTrue($secondPaypalAccount->success);
$updateResult = Braintree\PayPalAccount::update($firstToken, ['token' => $secondToken]);
$this->assertFalse($updateResult->success);
$errors = $updateResult->errors->forKey('paypalAccount')->errors;
$this->assertEquals(Braintree\Error\Codes::PAYPAL_ACCOUNT_TOKEN_IS_IN_USE, $errors[0]->code);
}
