### Question:
DomainManager { public Domain getDomain() { return d_domain; }  Domain getDomain(); void resetDomain(); void loadLegacyXMLDomain(InputStream is); void loadXMLDomain(InputStream is, int version); void saveXMLDomain(File file); void saveXMLDomain(OutputStream os);  }### Answer:
@Test public void testDefaultDomain() { assertTrue(d_manager.getDomain().getDrugs().isEmpty()); assertTrue(d_manager.getDomain().getEndpoints().isEmpty()); assertTrue(d_manager.getDomain().getStudies().isEmpty()); }