test: Fix race condition in kube testVolumes test
test: Fix race condition in kube testVolumes test

Once a Persistent Volume Claim is bound, it gets displayed as Persistent
Volume. "Claim" is only being shown for a short time. Let the test wait
for the steady state instead.

andreasn/cockpit,andreasn/cockpit,cockpituous/cockpit,deryni/cockpit,mvollmer/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,garrett/cockpit,moraleslazaro/cockpit,garrett/cockpit,moraleslazaro/cockpit,andreasn/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,deryni/cockpit,martinpitt/cockpit,cockpituous/cockpit,cockpit-project/cockpit,mvollmer/cockpit,andreasn/cockpit,mvollmer/cockpit,cockpituous/cockpit,andreasn/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,andreasn/cockpit,deryni/cockpit,cockpit-project/cockpit,martinpitt/cockpit,garrett/cockpit,garrett/cockpit,deryni/cockpit,cockpituous/cockpit,deryni/cockpit,mvollmer/cockpit,cockpit-project/cockpit,garrett/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,mvollmer/cockpit,deryni/cockpit,cockpituous/cockpit,andreasn/cockpit,deryni/cockpit