@Override
    public NetconfDevice getNetconfDevice(DeviceId deviceInfo) {
        return netconfDeviceMap.get(deviceInfo);
    }
@Test
    public void testGetNetconfDevice() {
        NetconfDevice fetchedDevice1 = ctrl.getNetconfDevice(deviceId1);
        assertThat("Incorrect device fetched", fetchedDevice1, is(device1));

        NetconfDevice fetchedDevice2 = ctrl.getNetconfDevice(deviceId2);
        assertThat("Incorrect device fetched", fetchedDevice2, is(device2));
    }