fixup: more tests/ui rere-ing

Author: bazaah

tests/ui/invalid_pyfunction_argument.stderr

@@ -70,8 +70,13 @@ error[E0277]: `Foo` cannot be used as a Python function argument
   --> tests/ui/invalid_pyfunction_argument.rs:14:59
    |
 14 | fn skip_from_py_object_without_custom_from_py_object(arg: Foo) {
-   |                                                           ^^^ the trait `ExtractPyClassWithClone` is not implemented for `Foo`
+   |                                                           ^^^ unsatisfied trait bound
    |
+help: the trait `ExtractPyClassWithClone` is not implemented for `Foo`
+  --> tests/ui/invalid_pyfunction_argument.rs:11:1
+   |
+11 | struct Foo;
+   | ^^^^^^^^^^
    = note: implement `FromPyObject` to enable using `Foo` as a function argument
    = note: `Python<'py>` is also a valid argument type to pass the Python token into `#[pyfunction]`s and `#[pymethods]`
    = help: the following other types implement trait `PyFunctionArgument<'a, 'holder, 'py, IMPLEMENTS_FROMPYOBJECT>`:

tests/ui/missing_intopy.stderr

@@ -2,8 +2,13 @@ error[E0277]: `Blah` cannot be converted to a Python object
  --> tests/ui/missing_intopy.rs:4:14
   |
 4 | fn blah() -> Blah {
-  |              ^^^^ the trait `IntoPyObject<'_>` is not implemented for `Blah`
+  |              ^^^^ unsatisfied trait bound
   |
+help: the trait `IntoPyObject<'_>` is not implemented for `Blah`
+ --> tests/ui/missing_intopy.rs:1:1
+  |
+1 | struct Blah;
+  | ^^^^^^^^^^^
   = note: `IntoPyObject` is automatically implemented by the `#[pyclass]` macro
   = note: if you do not wish to have a corresponding Python type, implement it manually
   = note: if you do not own `Blah` you can perform a manual conversion to one of the types in `pyo3::types::*`