@Override
  public Set<Class<? extends BaseStepMeta>> getSupportedSteps() {
    return new HashSet<Class<? extends BaseStepMeta>>() {
      {
        add( ExcelOutputMeta.class );
      }
    };
  }
@Test
  public void testGetSupportedSteps() {
    ExcelOutputStepAnalyzer analyzer = new ExcelOutputStepAnalyzer();
    Set<Class<? extends BaseStepMeta>> types = analyzer.getSupportedSteps();
    assertNotNull( types );
    assertEquals( types.size(), 1 );
    assertTrue( types.contains( ExcelOutputMeta.class ) );
  }