@Test
  public void testFacadeTotalTransferSize() throws Exception {
    assertThat(getFacadeForResourceManagerOps(true).getTotalTransferSize()).isEqualTo(12345);
  }
UnitTests for AutoBalancer. All collaborators should be mocked.
geode-rebalancer/src/test/java/org/apache/geode/cache/util/AutoBalancerJUnitTest.java