error: 'super' is not a valid name for a macro
 --> <source attribute>:1:2
       "- macro super() -%}{%- endmacro -%}"
 --> tests/ui/macro-super.rs:4:21
  |
4 | #[template(source = "{%- macro super() -%}{%- endmacro -%}", ext = "html")]
  |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^