at present the spec.csi.secretRef name has to be DNS1035 label
format and it should fail if we use DNSSubdomain secretRef in
the secretReference field of CSI spec. The newly added test cases
validate this behaviour in validation tests for controllerPublish,
nodePublish and nodeStage secretRef formats.
Additionally csiExpansionEnabled struct field also removed from
the validation function.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
f2473781a3