Ginkgo: Fix policy import without selector
Ginkgo: Fix policy import without selector

From commit `ba018e3fb98e0b037d89d4d8c033846366e748b6` policies can be
without EndpointSelector, so the test shouldn't fail. Policy should be
added without problems.

Fix ginkgo build 593

https://jenkins.cilium.io/job/Ginkgo-CI-Tests-Pipeline/593/

Signed-off-by: Eloy Coto <2a8acc28452926ceac4d9db555411743254cf5f9@gmail.com>

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