test/k8sT: rename variable to be more descriptive
test/k8sT: rename variable to be more descriptive

Rename policyStatus to desiredPolicyStatus to represent that the map contains
desired state for endpoints.

Signed-off by: Ian Vernon <ian@cilium.io>

scanf/cilium,tgraf/cilium,cilium/cilium,cilium/cilium,scanf/cilium,michi-covalent/cilium,scanf/cilium,tgraf/cilium,cilium-team/cilium,eloycoto/cilium,tgraf/cilium,tklauser/cilium,michi-covalent/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,eloycoto/cilium,tgraf/cilium,cilium/cilium,cilium/cilium,eloycoto/cilium,scanf/cilium,tgraf/cilium,tklauser/cilium,scanf/cilium,eloycoto/cilium,cilium-team/cilium,michi-covalent/cilium,eloycoto/cilium,eloycoto/cilium,tgraf/cilium,tklauser/cilium,scanf/cilium,michi-covalent/cilium,scanf/cilium,eloycoto/cilium,tklauser/cilium