@Test
  public void testFacadeRebalance() {
    assertThatCode(() -> getFacadeForResourceManagerOps(false).rebalance())
        .doesNotThrowAnyException();
  }
UnitTests for AutoBalancer. All collaborators should be mocked.
geode-rebalancer/src/test/java/org/apache/geode/cache/util/AutoBalancerJUnitTest.java