UPSTREAM: <drop>: Disable broken sig-storage test
UPSTREAM: <drop>: Disable broken sig-storage test

This test is failing on CI every time, fix with PR upstream
has been opened, until then we are disabling it.

openshift/kubernetes,csrwng/kubernetes,bparees/kubernetes,openshift/kubernetes,csrwng/kubernetes,bparees/kubernetes,openshift/kubernetes,csrwng/kubernetes,bparees/kubernetes,csrwng/kubernetes,bparees/kubernetes,csrwng/kubernetes,openshift/kubernetes,openshift/kubernetes,bparees/kubernetes