[Bug 55688] dmusic:dmusic - test_default_gm_collection() crashes on macOS

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55688

--- Comment #7 from Hans Leidekker  ---
(In reply to François Gouget from comment #6)
> (In reply to Rémi Bernon from comment #3)
> > I think we should be able to check in the tests whether the default
> > "C:\windows\system32\gm.dls" has been found and successfully loaded,
>
> As far as I can tell Wine does not have a gm.dls file. So wouldn't that
> cause the test to be systematically skipped in Wine, including on Linux when
> the sf2 files are available?
> To avoid that it seems like we would need the dummy gm.dls builtin you
> mentioned.

You could adopt the same strategy as winemono/winegecko: check standard Unix
paths
first and if not found there, install it (on demand) in c:\windows\system32.