[PATCH] wmp/tests: Fix the spelling of an unused parameter name.

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=61045

Your paranoid android.


=== w2003std (task log) ===

Task errors:
The task timed out