test/k8sT: wrap Checks Service test in `Context`
test/k8sT: wrap Checks Service test in `Context`

This will allow for putting creation and removal of resources within `BeforeEach`
and `AfterEach` for this test alone instead of within the `It`.

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

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