@Test
public void defaultStepTest() {

    List<Map<String, String>> pipeInputList = new LinkedList<>();
    pipeInputList.add(new HashMap<String, String>());
    RangeExtension rangeExtension = new RangeExtension();
    RangeExtension.RangeTag rangeTag = new RangeExtension.RangeTag();
    rangeTag.setName("var_out_test");
    rangeTag.setFrom("1");
    rangeTag.setTo("10");
    List<Map<String, String>> resultList = rangeExtension.pipelinePossibleStates(rangeTag, pipeInputList);
    Assert.assertEquals(10, resultList.size());
}