message: Preemptible VMs in CI
diff: @@ -25,7 +25,7 @@ if [[ $(gcloud container clusters list --filter="name:${CLUSTER}") ]]; then
  fi
  echo "Creating cluster $CLUSTER in $ZONE (v$BRANCH)"
  -gcloud container clusters create --cluster-version=${BRANCH} --zone $ZONE $CLUSTER --num-nodes 2 --machine-type=n1-standard-2
  +gcloud container clusters create --cluster-version=${BRANCH} --zone $ZONE $CLUSTER --num-nodes 2 --machine-type=n1-standard-2 --preemptible
  echo "Waiting for the cluster to respond..."
  cnt=20
  until kubectl get pods > /dev/null 2>&1; do
  