shell32/tests: Arrange for the shell_execute{_ex}() calls to set the test line.

[Alexandre Julliard]

Francois Gouget <fgouget at codeweavers.com> writes:

> This makes it possible to attribute their internal test results to the relevant test_xxx() function.
> This implies that they must not make calls that would reset the test line.

This is fragile. It would be better to explicitly pass the line number,
like most other tests do.

-- 
Alexandre Julliard
julliard at winehq.org