@Test
public void testForecast() {

    val params = forecasterUnderTest.getParams();
    val pointForecast = 132.4;
    val forecastResult = forecasterUnderTest.forecast(metricDataDummy, pointForecast);
    assertEquals(pointForecast + params.getStrongValue(), forecastResult.getUpperStrong(), TOLERANCE);
    assertEquals(pointForecast + params.getWeakValue(), forecastResult.getUpperWeak(), TOLERANCE);
    assertEquals(pointForecast - params.getWeakValue(), forecastResult.getLowerWeak(), TOLERANCE);
    assertEquals(pointForecast - params.getStrongValue(), forecastResult.getLowerStrong(), TOLERANCE);
}