Test: Services wait until all endpoints are ready.
Test: Services wait until all endpoints are ready.

Wait until all endpoints are ready in the beforeAll to do not get
invalid CEP resources in the Eventually clause.

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

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