Add tests for these cases.

secur32: NTLM - don't bother nul terminating the password string as nothing relies on it being nul terminated.

pointers in the SEC_WINNT_AUTH_IDENTITY structure than the
corresponding Length fields say the pointers hold.

wineps.drv: Return correct values for DESKTOPHORZ/VERTRES since they are used to setup the visible region.

(spotted by Alessandro Pignotti).

winex11.drv: Do not ignore the keysyms assigned to a group switch, it leads to side effects like missing KeyRelease events.

Only objects that have been registered for a class context that matches 
the requested class context should be returned.

ole32: OleLoad should call CoCreateInstance with CLSCTX_INPROC_SERVER as well as CLSCTX_INPROC_HANDLER.