@Test
public void testNameNodeFeatureMinimumCompatibleLayoutVersionAscending() {

  LayoutFeature prevF = null;
  for (LayoutFeature f : EnumSet.allOf(NameNodeLayoutVersion.Feature.class)) {
    if (prevF != null) {
      assertTrue(String.format("Features %s and %s not listed in order of " +
          "minimum compatible layout version.", prevF, f),
          f.getInfo().getMinimumCompatibleLayoutVersion() <=
          prevF.getInfo().getMinimumCompatibleLayoutVersion());
    } else {
      prevF = f;
    }
  }
}