On Windows EM_GETSELTEXT fails with an invalid parameter error in the
Hindi locale but works in most other locales, including UTF-8 ones.
So check for this issue and adjust the expected results accordingly.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54559
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54565