[test] turn on host io cache for opensuse (#32053)
[test] turn on host io cache for opensuse (#32053)

The hope is that this will resolve the problems with very slow io we're
seeing on this box in #30295
strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,vroyer/elassandra,strapdata/elassandra