error: index setter requires exactly 3 parameters
  --> $DIR/rhai_fn_setter_index_signature.rs:13:20
   |
13 |     pub fn test_fn(input: Point) -> bool {
   |                    ^^^^^^^^^^^^

error[E0433]: failed to resolve: use of undeclared crate or module `test_module`
  --> $DIR/rhai_fn_setter_index_signature.rs:23:8
   |
23 |     if test_module::test_fn(n) {
   |        ^^^^^^^^^^^ use of undeclared crate or module `test_module`