Address VOL tests badge failures

[brtnfld]

All tests should pass, it fails as of 10/22/2025

[hyoklee]

@mattjala, it was OK for a while but reappeared:

https://github.com/HDFGroup/hdf5/actions/runs/18905754270/job/53963557477

[jhendersonHDF]

@mattjala, it was OK for a while but reappeared:

https://github.com/HDFGroup/hdf5/actions/runs/18905754270/job/53963557477

This will continue to sporadically fail until HDFGroup/vol-cache#40 is reviewed and merged.

[jhendersonHDF]

Addressed with the merging of fixes in the Cache VOL