@Test
public void testDeleteFlowSnapshot() {

    final FlowSnapshotEntity entity = metadataService.getFlowSnapshot( "1", 1);
    assertNotNull(entity);
    metadataService.deleteFlowSnapshot(entity);
    final FlowSnapshotEntity deletedEntity = metadataService.getFlowSnapshot( "1", 1);
    assertNull(deletedEntity);
}