public function testIsValidUpdateValidAdSizeName()
 {
     $validAsset = new DcmCreativeAsset();
     $validAsset->setUuid('mock uuid');
     $validAsset->setImageUrl('mock image url');
     $validAsset->setAdTag('mock ad tag');
     $validAsset->setAdSizeName('asdf');
     $result = $this->sut->isValidUpdate($validAsset);
     $this->assertEquals('', $result->getMessage());
     $this->assertTrue($result->getResult());
 }