### Question:
ChangeListXmlBean implements Serializable { public List<ArtifactStatus> getChanges() { return changes; }  List<ArtifactStatus> getChanges(); void setChanges(List<ArtifactStatus> changes);  }### Answer:
@Test public void testGetChanges() throws Exception { classUnderTest.setChanges(null); assertNull(classUnderTest.getChanges()); }