message: Simplify test with parse_ty call
diff: @@ -331,7 +331,7 @@ pub mod tests {
  #[test]
  fn array_bad_type() {
  let mut env = Env::default();
  - let len_ty = Type::struct_(Span::start(), vec![]);
  + let len_ty = parser::parse_ty("{}").unwrap();
  env.add_binding("len", len_ty.clone());
  let ty = parser::parse_ty("[u8; len]").unwrap();
  