[PATCH 4/5] msi: Add install test with no arguments on already installed product

[Marvin]

Hi,

While running your changed tests on Windows, 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=33688

Your paranoid android.


=== w2003std (32 bit package) ===
package.c:3710: Test failed: Expected ERROR_SUCCESS, got 1603