message: test(interface-types) Fix a documentation message.
diff: @@ -174,7 +174,7 @@ mod tests {
  inputs: vec![InterfaceType::I32, InterfaceType::I32],
  outputs: vec![InterfaceType::I32],
  function: |_| Ok(vec![]),
  - // ^^^^^^^^^^ void fails
  + // ^^^^^^^^^^ void
  },
  );
  