Comment by ncruces

It gets even more amazing than that. Look at this bit from my GitHub Actions: https://github.com/ncruces/go-sqlite3/blob/fefee692dbfad39f6...

I install QEMU (I have the same setup locally), then it's one line each to run unit tests for: Linux 386, arm64, riscv64, ppc64le and s390x.

With QEMU installed, all you have to do is:

    GOARCH=bla go test ./...