message: [cluster-test] Increase delete_resource backoff timeout
  Increasing backoff for k8s resources deletion 150sec -> 300sec. This fails when deleting large clusters, like ones with 100 nodes
  Closes:
diff: @@ -292,7 +292,7 @@ impl ClusterSwarmKube {
  {
  debug!("Deleting {} {}", T::KIND, name);
  let resource_api: Api<T> = Api::namespaced(self.client.clone(), DEFAULT_NAMESPACE);
  - libra_retrier::retry_async(libra_retrier::fixed_retry_strategy(5000, 30), || {
  + libra_retrier::retry_async(libra_retrier::fixed_retry_strategy(5000, 60), || {
  let resource_api = resource_api.clone();
  let name = name.to_string();
  Box::pin(async move {
  