  @Test
  public void testGetFieldsNoProbsClustering() throws Exception {

    WekaScoringModel model = WekaScoringData.loadSerializedModel(
        CLUSTERING_MODEL, null, new Variables());

    assertTrue(model != null);

    WekaScoringMeta meta = new WekaScoringMeta();

    meta.setModel(model);
    RowMetaInterface rmi = new RowMeta();

    meta.getFields(rmi, null, null, null, new Variables());

    assertTrue(rmi.size() == 1);
    assertEquals(rmi.getValueMeta(0).getName(), "cluster#_predicted");
  }