@Test
 public void testGetDescriptionTextStemmingTrue() {
   FeatureOccurrence occurrence = new FeatureOccurrence();
   featureContainer.addFeatureFromXML(mockedFeature1, occurrence, true);
   String expected = "testDesc1\n-------------------\n";
   String actual = featureContainer.getDescriptionText(mockedFeature1.getLabel());
   Assert.assertEquals(expected, actual);
 }
 @Test(expected = NullPointerException.class)
 public void testGetDescriptionTextEmpty() {
   FeatureContainer featureContainer = new FeatureContainer();
   featureContainer.getDescriptionText("");
 }