@Test(expected = IllegalArgumentException.class)
public void testFillWithMetricTransformWithInvalidIntervalValue() {

    Transform fillTransform = new FillTransform();
    Metric metric = new Metric(TEST_SCOPE, TEST_METRIC);
    List<Metric> metrics = new ArrayList<Metric>();
    metrics.add(metric);
    List<String> constants = new ArrayList<String>();
    constants.add("-1s");
    constants.add("2s");
    constants.add("100.0");
    constants.add("false");
    
    fillTransform.transform(null, metrics, constants);
}