### Question:
RemascFederationProvider { public UscAddress getFederatorAddress(int n) { byte[] publicKey = this.federationSupport.getFederatorPublicKey(n); return new UscAddress(ECKey.fromPublicOnly(publicKey).getAddress()); } RemascFederationProvider(
            UscSystemProperties config,
            Repository repository,
            Block processingBlock); int getFederationSize(); UscAddress getFederatorAddress(int n);  }### Answer:
@Test public void getFederatorAddress() { RemascFederationProvider provider = getRemascFederationProvider(); byte[] address = provider.getFederatorAddress(0).getBytes(); Assert.assertNotNull(address); Assert.assertEquals(20, address.length); }