}
}

// TestMetricsDuRealDirectory tests that if MetricsDu is initialized to a non-existent path, GetMetrics
// returns an error
func TestMetricsDuRequireRealDirectory(t *testing.T) {
	metrics := NewMetricsDu("/not/a/real/directory")
	actual, err := metrics.GetMetrics()
	expected := &Metrics{}
	if !volumetest.MetricsEqualIgnoreTimestamp(actual, expected) {