tests/unicode.x: Add some type signatures.
tests/unicode.x: Add some type signatures.

This can help one to realize when the tests are failing because of
stale/corrupted template files...

sol/alex,alanz/Alex,sol/alex,simonmar/alex,Teino1978-Corp/Teino1978-Corp-alex,hvr/alex,hvr/alex,Teino1978-Corp/Teino1978-Corp-alex,simonmar/alex,alanz/Alex,beni55/alex,beni55/alex