### Question:
LoopbackChannel extends FilteredBase implements LogSource { public void reconnect() { usable = true; setChanged(); notifyObservers(); } LoopbackChannel(); void setPackager(ISOPackager packager); void connect(); void disconnect(); void reconnect(); boolean isConnected(); void send(ISOMsg m); void send(byte[] b); ISOMsg receive(); void setUsable(boolean usable); int[] getCounters(); void setName(String name); String getName(); ISOPackager getPackager(); void resetCounters(); void setLogger(Logger logger, String realm); String getRealm(); Logger getLogger();  }### Answer:
@Test public void testReconnect() throws Throwable { LoopbackChannel loopbackChannel = new LoopbackChannel(); loopbackChannel.reconnect(); assertTrue(loopbackChannel.usable, "loopbackChannel.usable"); }