error: tested function must have no more than 7 args
  --> tests/ui/fn_with_too_many_args.rs:4:1
   |
4  | / fn tested_function(
5  | |     _arg0: i32,
6  | |     _arg1: i32,
7  | |     _arg2: i32,
...  |
12 | |     _arg7: i32,
13 | | ) {
   | |_^