return time.Second, errors.New("ohno")
	}}
	mem := &sharedMem{region: make([]byte, 100)} // big enough to hold value and header
	vals := []any{[]byte(nil)}
	args := minimizeArgs{KeepCoverage: make([]byte, len(coverageSnapshot))}
	success, err := ws.minimizeInput(context.Background(), vals, mem, args)
	if success {
		t.Error("unexpected success")
	}
	if err != nil {