Merge pull request #1968 from percona/CLOUD-914

CLOUD-914: Fix cleaning namespaces function

Author: hors

e2e-tests/functions

@@ -131,7 +131,7 @@ create_namespace() {
 		destroy_chaos_mesh
 		desc 'cleaned up all old namespaces'
 		kubectl_bin get ns \
-			| egrep -v "^kube-|^default|Terminating|psmdb-operator|openshift|gke-mcs|^NAME" \
+			| egrep -v "^kube-|^default|Terminating|psmdb-operator|openshift|^gke-|^gmp-|^NAME" \
 			| awk '{print$1}' \
 			| xargs kubectl delete ns &
 	fi