@Test
  public void testLruStats() {
    for (VM memberVM : memberVMs) {
      memberVM.invoke(() -> createDiskRegion(regionName));
    }

    managerVM.invoke(() -> verifyEntrySize(regionName, 3));
  }
Tests a Distributed Region at Managing Node side while region is created in a member node
asynchronously.
geode-core/src/distributedTest/java/org/apache/geode/management/RegionManagementDUnitTest.java