},
		},
		"previous-observation": {
			thresholds: []evictionapi.Threshold{hardThreshold},
			lastObservedAt: thresholdsObservedAt{
				hardThreshold: oldTime.Time,
			},
			now: now.Time,
			result: thresholdsObservedAt{
				hardThreshold: oldTime.Time,
			},
		},
	}
	for testName, testCase := range testCases {

    std::unique_ptr<Graph>* graph, std::vector<int>* input_permutation,
    std::vector<int>* output_permutation, NodeDef* node_def) {
  string old_name = node_def->op();
  string new_name =
      absl::StrCat(xla_cluster_name_, "_", new_function_name_, "_", old_name);
  node_def->set_op(new_name);
  node_def->set_name(new_name);

  // Later we will run PruneForReverseReachability(), so make sure all original