test/k8sT: move K8s chaos test to use BeforeAll
test/k8sT: move K8s chaos test to use BeforeAll

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

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