Test: Use AfterSuite to clean the VMs at the end.
Test: Use AfterSuite to clean the VMs at the end.

AfterAll was not trigger when the filter of the focus was in the
`Describe`, with this change the AfterSuite will always happens when the
test suite finished.

Fix #5648

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

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