ieframe/tests: Skip rest of tests if CoCreateInstance failed. (try 2)

[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
http://testbot.winehq.org/JobDetails.pl?Key=13711

Your paranoid android.


=== WNT4WSSP6 (32 bit ie) ===
ie.c:61: Test failed: Could not create InternetExplorer instance: 80040154