code: @Test public void should_update_modifications() throws Exception {
    long id=RandomUtils.nextLong();
    Integer index=11;
    compoundKey=new EmbeddedKey(id,"type",index);
    entity=new ClusteredEntityWithCompositePartitionKey(id,"type",index,"clustered_value");
    entity=manager.persist(entity);
    entity.setValue("new_clustered_value");
    manager.update(entity);
    entity=manager.find(ClusteredEntityWithCompositePartitionKey.class,compoundKey);
    assertThat(entity.getValue()).isEqualTo("new_clustered_value");
  }
  