@Test
public void createsBufferedBulkBuilder() {

    // given
    PooledItemSourceFactory bufferedSourceFactory = PooledItemSourceFactoryTest.createDefaultTestSourceFactoryConfig().build();
    BatchBuilder<Bulk> builder = new BufferedBulkOperations(bufferedSourceFactory).createBatchBuilder();
    // when
    Bulk bulk = builder.build();
    // then
    assertEquals(BufferedBulk.class, bulk.getClass());
}