k8s: Add unit test for default deny rule
k8s: Add unit test for default deny rule

Signed-off-by: Thomas Graf <5f50a84c1fa3bcff146405017f36aec1a10a9e38@cilium.io>

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