error: Model must have at least one field marked with #[prax(id)]
  --> tests/ui/missing_id.rs:8:1
   |
 8 | / #[prax(table = "no_pk")]
 9 | | struct NoPk {
10 | |     name: String,
11 | |     email: String,
12 | | }
   | |_^
