private void createRegion() {
    Cache cache = CacheFactory.getAnyInstance();
    assertThat(cache).isNotNull();

    RegionFactory<String, Object> rf = cache.createRegionFactory(RegionShortcut.REPLICATE);
    rf.create(PEOPLE_REGION_NAME);
  }
Dunit Test containing inter - operations between REST Client and Gemfire cache client

@since GemFire 8.0
geode-assembly/src/distributedTest/java/org/apache/geode/rest/internal/web/controllers/RestAPIsAndInterOpsDUnitTest.java