@Test
public void isWatching() {

    assertFalse(wallet.isWatching());
    Wallet watchingWallet = Wallet.fromWatchingKey(PARAMS, wallet.getWatchingKey().dropPrivateBytes().dropParent());
    assertTrue(watchingWallet.isWatching());
    wallet.encrypt(PASSWORD1);
    assertFalse(wallet.isWatching());
}