@Test
  public void testEntriesInRootRegion() throws Exception {
    CacheCreation cache = new CacheCreation();
    RegionCreation root =
        (RegionCreation) cache.createRegion("root", new RegionAttributesCreation(cache));
    root.put("KEY1", "VALUE1");
    root.put("KEY2", "VALUE2");
    root.put("KEY3", "VALUE3");

    testXml(cache);
  }
Tests creating a cache with entries defined in the root region
geode-core/src/distributedTest/java/org/apache/geode/cache30/CacheXml66DUnitTest.java