@Before
  public void setUp() {
    vm0 = getHost(0).getVM(0);
    vm1 = getHost(0).getVM(1);
    vm2 = getHost(0).getVM(2);
    vm3 = getHost(0).getVM(3);

    regionName = getUniqueName();
  }
Confirm that the utils used for testing work as advertised

@since GemFire 5.0
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PartitionedRegionTestUtilsDUnitTest.java