### Question:
Connector implements ISORequestListener, LogSource, Configurable { public String getRealm () { return realm; } Connector(); void setLogger(Logger logger, String realm); String getRealm(); Logger getLogger(); void setConfiguration(Configuration cfg); boolean process(ISOSource source, ISOMsg m);  }### Answer:
@Test public void testGetRealm() throws Throwable { String result = new Connector().getRealm(); assertNull(result, "result"); }