@Test
  public void testGatewayConflictResolver() throws Exception {
    CacheCreation cache = new CacheCreation();
    cache.setGatewayConflictResolver(new MyGatewayConflictResolver());
    testXml(cache);
    Cache c = getCache();
    assertNotNull(c);
    GatewayConflictResolver gatewayConflictResolver = c.getGatewayConflictResolver();
    assertNotNull(gatewayConflictResolver);
    assertTrue(gatewayConflictResolver instanceof MyGatewayConflictResolver);
  }
make sure we can create regions with concurrencyChecksEnabled=true
geode-core/src/distributedTest/java/org/apache/geode/cache30/CacheXml70DUnitTest.java