PayPal\Api\Order::getPurchaseUnitReferenceId PHP Method

    public function getPurchaseUnitReferenceId()
    {
        return $this->purchase_unit_reference_id;
    }

 /**
  * @depends testSerializationDeserialization
  * @param Order $obj
  */
 public function testGetters($obj)
 {
     $this->assertEquals($obj->getId(), "TestSample");
     $this->assertEquals($obj->getPurchaseUnitReferenceId(), "TestSample");
     $this->assertEquals($obj->getAmount(), AmountTest::getObject());
     $this->assertEquals($obj->getPaymentMode(), "TestSample");
     $this->assertEquals($obj->getState(), "TestSample");
     $this->assertEquals($obj->getReasonCode(), "TestSample");
     $this->assertEquals($obj->getPendingReason(), "TestSample");
     $this->assertEquals($obj->getProtectionEligibility(), "TestSample");
     $this->assertEquals($obj->getProtectionEligibilityType(), "TestSample");
     $this->assertEquals($obj->getParentPayment(), "TestSample");
     $this->assertEquals($obj->getFmfDetails(), FmfDetailsTest::getObject());
     $this->assertEquals($obj->getCreateTime(), "TestSample");
     $this->assertEquals($obj->getUpdateTime(), "TestSample");
     $this->assertEquals($obj->getLinks(), LinksTest::getObject());
 }