@Test
public void testInvalidInitSeasonalEstimateMultiplicative() {

    expectedEx.expect(IllegalArgumentException.class);
    expectedEx.expectMessage("Invalid: Sum of initSeasonalEstimates (4.0001) was outside accepted tolerance. Sum should equal 'frequency' with a tolerance within 1% of largest seasonal estimate distance from 1 (4 ± 0.000011), for MULTIPLICATIVE seasonality type.");
    subject.validate(INVALID_MULTIPLICATIVE_SEASONAL_COMPONENT, DUMMY_FREQUENCY, HoltWintersSeasonalityType.MULTIPLICATIVE);
}