public static void put() {
    try {
      Region r = cache.getRegion(SEPARATOR + REGION_NAME);
      assertNotNull(r);

      r.put("key-1", "vm2-key-1");
      // Verify that no invalidates occurred to this region
      assertEquals(r.getEntry("key-1").getValue(), "vm2-key-1");

    } catch (Exception ex) {
      Assert.fail("failed while r.put()", ex);
    }
  }
Verify that EventId is prapogated to server in case of region clear. It also checks that peer
nodes also get the same EventID.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/EventIDVerificationDUnitTest.java