@Test
public void testInvokeFunction_without_Params() throws Exception {

    neow3j.invokeFunction(
            "af7c7328eee5a275a3bcaee2bf0cf662b5e739be",
            "decimals"
    ).send();
    verifyResult(
            "{\"jsonrpc\":\"2.0\",\"method\":\"invokefunction\","
                    + "\"params\":[\"af7c7328eee5a275a3bcaee2bf0cf662b5e739be\","
                    + "\"decimals\""
                    + "],\"id\":1}"
    );
}