Michael Albinus <michael.albinus@gmx.de> writes:

Hi Eli,

>> The only difference I could think of is that the directory Emacs uses
>> here has whitespace in its name (see my original report), whereas on
>> Windows 10 it probably doesn't.
>
> FTR, if I use a directory with spaces in its name, it fails for me as
> well. I'm now debugging ...

It looks, like it is a problem in the test case code
itself. abbreviate-file-name does not work as I expect in this
combination.

Well, since it isn't needed for the test, the appended patch has fixed
it for me. Would you like to check?

Best regards, Michael.