@Test
  public void testOptimizationForLongLong() {
    int expectedLength = 2 + 8 + 8;
    writeReadAndVerifyOptimizedByteArray(ID_VALUE_LONG, ID_VALUE_LONG, expectedLength);
  }
Tests the eventId optimization APIs <code>EventID#getOptimizedByteArrayForEventID</code> and
<code>EventID#readEventIdPartsFromOptmizedByteArray</code> for long-long combination for
threadId and sequenceId values.
geode-core/src/test/java/org/apache/geode/internal/cache/ha/EventIdOptimizationJUnitTest.java