fix test harness for previous commit (fix loading emptypb) Related to https://github.com/golang/open2opaque/issues/18 PiperOrigin-RevId: 799446811 Change-Id: I14dee49f9f615697236e8cc8d8aa2888d546dbfd
The open2opaque tool migrates Go packages from the Go Protobuf Open Struct API to the Opaque API.
For documentation, see: