winetests.exe with tests from CVS 2003-09-26 can be found here:
http://vmlinux.org/~jakov/Wine/
(The bigger EXE size is due to tests generated from MSVC instead of MinGW.)
This winetests.exe should not pop up various error requesters any more, so if you click past any, please note it in the comment text box.
regards, Jakob