Fix test3GToWifiNotification for mobile state validation.

        assertTrue("not connected to cellular network", extraNetInfo.isConnected());

    }

    // Test case 1: Test enabling Wifi without associating with any AP

    // Test case 1: Test enabling Wifi without associating with any AP, no broadcast on network

    //              event should be expected.

    @LargeTest

    public void test3GToWifiNotification() {

        // Enable Wi-Fi to avoid initial UNKNOWN state

        cmActivity.enableWifi();

        try {

            Thread.sleep(2 * ConnectivityManagerTestActivity.SHORT_TIMEOUT);

        } catch (Exception e) {

            Log.v(LOG_TAG, "exception: " + e.toString());

        }

        // Wi-Fi is disabled

        cmActivity.disableWifi();

        cmActivity.waitForNetworkState(ConnectivityManager.TYPE_WIFI,

                State.DISCONNECTED, ConnectivityManagerTestActivity.LONG_TIMEOUT);

        // As Wifi stays in DISCONNETED, the connectivity manager will not broadcast

        // any network connectivity event for Wifi

        assertTrue(cmActivity.waitForNetworkState(ConnectivityManager.TYPE_WIFI,

                State.DISCONNECTED, ConnectivityManagerTestActivity.LONG_TIMEOUT));

        assertTrue(cmActivity.waitForNetworkState(ConnectivityManager.TYPE_MOBILE,

                State.CONNECTED, ConnectivityManagerTestActivity.LONG_TIMEOUT));

        // Wait for 10 seconds for broadcasts to be sent out

        try {

            Thread.sleep(10 * 1000);

        } catch (Exception e) {

            fail("thread in sleep is interrupted.");

        }

        // As Wifi stays in DISCONNETED, Mobile statys in CONNECTED,

        // the connectivity manager will not broadcast any network connectivity event for Wifi

        NetworkInfo networkInfo = cmActivity.mCM.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

        cmActivity.setStateTransitionCriteria(ConnectivityManager.TYPE_MOBILE, networkInfo.getState(),

                NetworkState.DO_NOTHING, State.CONNECTED);

        networkInfo = cmActivity.mCM.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

        cmActivity.setStateTransitionCriteria(ConnectivityManager.TYPE_WIFI, networkInfo.getState(),

                NetworkState.DO_NOTHING, State.DISCONNECTED);

        // Eanble Wifi

        // Eanble Wifi without associating with any AP

        cmActivity.enableWifi();

        try {

            Thread.sleep(2 * ConnectivityManagerTestActivity.SHORT_TIMEOUT);