message: Fix outdated error message in tests
diff: @@ -21,7 +21,7 @@ fn run_test(path: &str, source: &str) {
  let messages = state.drain_messages().collect::<Vec<_>>();
  if !messages.is_empty() {
  is_failed = true;
  - eprintln!("surface::projections::core::synth_term messages:");
  + eprintln!("surface_to_core::synth_type messages:");
  for message in messages {
  let diagnostic = message.to_diagnostic(&pretty_alloc);
  codespan_reporting::term::emit(&mut writer.lock(), &config, &file, &diagnostic)
  