}

type storageWithCounter struct {
	storage.Interface

	listCounter int64
}

func (s *storageWithCounter) GetList(ctx context.Context, key string, opts storage.ListOptions, listObj runtime.Object) error {
	atomic.AddInt64(&s.listCounter, 1)
	return s.Interface.GetList(ctx, key, opts, listObj)
}

func TestStoreDeleteCollection(t *testing.T) {

  // index in the subgraph list.
  int subgraph_index = 0;
  for (const auto& signature_def_data : signature_defs) {
    auto inputs = GetList(subgraph_index, signature_def_data.inputs);
    auto outputs = GetList(subgraph_index, signature_def_data.outputs);
    auto inputs_buf = builder_.CreateVector(inputs);
    auto outputs_buf = builder_.CreateVector(outputs);
    auto signature_key_buf =