WitnessRpcClient mockRpc = mock(WitnessRpcClient.class);
        TestWitnessClient client = new TestWitnessClient(witnessServer, mockContext, mockRpc);

        assertEquals(witnessServer, client.getWitnessServer());

        client.close();
    }

    /**
     * Test notification listener that captures notifications
     */

        }
    }

    /**
     * Gets the witness server address.
     *
     * @return the witness server address
     */
    public InetAddress getWitnessServer() {
        return witnessServer;
    }

    /**
     * Gets the number of active registrations.
     *
     * @return the number of active registrations
     */