Assert.assertEquals(false, model1.belongsToCurrentMap());
Assert.assertEquals(null, model1.getDataFile());
Assert.assertNotNull(model1.getDisplayText());
Assert.assertNotNull(model1.getId());
Assert.assertEquals(0, model1.getIntervals().size());
Assert.assertEquals(0, model1.numIntervals());
//attention - currently wrong order of intervals possible:
model1.addInterval(interval2);
model1.addInterval(interval0);
model1.addInterval(interval1);