@Test
public void lossWithNoError() {

	List<Double> expected = Arrays.asList(0.1, 0.2, 0.3, 0.4, 0.5);
	List<IRegressionPrediction> predicted = this.toPredictions(expected);
	ERulPerformanceMeasure asymmetricLoss = ERulPerformanceMeasure.ASYMMETRIC_LOSS;
	assertEquals("Loss must be 0.0", 0.0, asymmetricLoss.loss(expected, predicted), 1E-8);
}