error: expected attribute arguments in parentheses: #[new(...)]
 --> tests/cases/new_invalid_attr.rs:7:7
  |
7 |     #[new]
  |       ^^^

error: unexpected end of input, expected nested attribute
  --> tests/cases/new_invalid_attr.rs:13:11
   |
13 |     #[new()]
   |           ^

error: Invalid #[new(..)] content.
  --> tests/cases/new_invalid_attr.rs:19:11
   |
19 |     #[new(wrong)]
   |           ^^^^^