### Question:
AbstractWebSocket { protected static boolean isCloseElement(String text) { if (text.startsWith("<close xmlns='urn:ietf:params:xml:ns:xmpp-framing'/>")) { return true; } return false; }  abstract void connect(WebSocketRemoteConnectionEndpoint endpoint); abstract void send(TopLevelStreamElement element); abstract void disconnect(int code, String message); abstract boolean isConnectionSecure(); abstract SSLSession getSSLSession(); abstract boolean isConnected();  }### Answer:
@Test public void isCloseElementTest() { assertTrue(AbstractWebSocket.isCloseElement(CLOSE_ELEMENT)); assertFalse(AbstractWebSocket.isCloseElement(OPEN_STREAM)); }