@Test
    public void testAddressCreateAsBtcOnTestnet() {
        Network network = Network.findBuiltin("bitcoin-testnet").get();
        Optional<Address> ob1 = Address.create("mm7DDqVkFd35XcWecFipfTYM5dByBzn7nq", network);
        assertTrue(ob1.isPresent());
        Address b1 = ob1.get();
        assertEquals("mm7DDqVkFd35XcWecFipfTYM5dByBzn7nq", b1.toString());
        // TODO: Expand coverage
    }
@Test
    public void testAddressCreateAsBtcOnTestnet() {
        Network network = Network.findBuiltin("bitcoin-testnet").get();
        Optional<Address> ob1 = Address.create("mm7DDqVkFd35XcWecFipfTYM5dByBzn7nq", network);
        assertTrue(ob1.isPresent());
        Address b1 = ob1.get();
        assertEquals("mm7DDqVkFd35XcWecFipfTYM5dByBzn7nq", b1.toString());
       
    }
@test public void testaddresscreateasbtcontestnet() { network network = network.findbuiltin("bitcoin-testnet").get(); optional<address> ob1 = address.create("mm7ddqvkfd35xcwecfipftym5dbybzn7nq", network); asserttrue(ob1.ispresent()); address b1 = ob1.get(); assertequals("mm7ddqvkfd35xcwecfipftym5dbybzn7nq", b1.tostring()); }