Investigate race condition of states in healing tests

[denis-tingaikin]

Healing tests are unstable and could affect each other, see logs here:

https://github.com/networkservicemesh/integration-k8s-kind/actions/runs/9907368911/attempts/1
https://github.com/networkservicemesh/integration-k8s-kind/actions/runs/9907368911/attempts/3
https://github.com/networkservicemesh/integration-k8s-kind/actions/runs/9907368911/attempts/4