@Test
public void getMaxBlockSystemFee() throws IOException {

    setUpWireMockForInvokeFunction("getMaxBlockSystemFee",
            "policy_getMaxBlockSystemFee.json");
    PolicyContract policyContract = new PolicyContract(this.neow3j);
    assertThat(policyContract.getMaxBlockSystemFee(), is(new BigInteger("900000000000")));
}