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