### Question:
TieredFeatureToggleVersion implements Service { @Override public boolean isEnhanced() { return true; }  @Override String getWelcomeMessage(User user); @Override boolean isEnhanced();  }### Answer:
@Test public void testIsEnhancedAlwaysTrueAsTiered() { assertTrue(service.isEnhanced()); }
@Test public void testIsEnhancedAlwaysTrueAsTiered() throws Exception { assertTrue(service.isEnhanced()); }