### Question:
TagProxy implements TagTechnology { @Override public boolean isConnected() { return tagTechnology.isConnected(); } private  TagProxy(TagTechnology tagTechnology, String tech); @Override Tag getTag(); @Override void connect(); @Override void close(); @Override boolean isConnected();  }### Answer:
@Test(expected = Test.None.class ) public void isConnected() throws KeypleReaderException, IOException { TagProxy tagProxy = TagProxy.getTagProxy(tagIso); tagProxy.isConnected(); }