tests/test-wireproto.py.out

backout: migrate `opts` to native kwargs

It will take a bit to unwind `cmdutil.commit`, so there's a conversion to
byteskwargs there, without changing the type of `opts` in this function.  That's
also useful to flag it as needing to be changed.

Hello, Foobar
[b'Hello, Fo, =;:<o', b'Hello, Bar']