TestingAsset was created by code:
UPackage *Package = CreatePackage(nullptr, *PackagePath);
USoundWave* TestAsset = NewObject<USoundWave>(Package, USoundWave::StaticClass(), *FString("TestingAsset"), EObjectFlags::RF_Public | EObjectFlags::RF_Standalone);
FAssetRegistryModule::AssetCreated(TestAsset);
TestAsset->MarkPackageDirty();
How to delete this asset?