test/runtime: address misc. review comments
test/runtime: address misc. review comments

* Fix indentation
* Make test name in log field consistent with actual test name
* Add message to Ginkgo assertion in case of failure

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

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