Re-enable most of wxFileName tests under Wine

Exclude just the single test which fails when using Wine, but not all
the rest of them.

This is again similar to the grand-parent commit for the file functions
tests.

.github/workflows/ci_msw_cross.yml

@@ -200,8 +200,8 @@ jobs:
           # to exclude the tests that are not run by default, so start with this.
           excluded_tests=('~[.]')
 
-          # Only TestSetTimes fails, but only the full test can be excluded.
-          excluded_tests+=('~FileNameTestCase')
+          # There is 1 day difference in creation time under Wine somehow.
+          excluded_tests+=('~wxFileName::SetTimes')
 
           # Closing the file fails for unknown reason under Wine.
           excluded_tests+=('~FileFunctions::Error')