dumplines(lines)
	}

	// We expect the merge tool to produce exactly two files: a meta
	// data file and a counter file. If we get more than just this one
	// pair, something went wrong.
	podlist, err := pods.CollectPods([]string{outdir}, true)
	if err != nil {
		t.Fatal(err)
	}
	if len(podlist) != 1 {
		t.Fatalf("expected 1 pod, got %d pods", len(podlist))
	}
	ncdfs := len(podlist[0].CounterDataFiles)
	if ncdfs != 1 {