### Question:
DiagramElementNameProviderImpl implements DiagramElementNameProvider { @Override public String getDefinitionSetId() { return BindableAdapterUtils.getDefinitionSetId(DMNDefinitionSet.class); }  @Override String getDefinitionSetId();  }### Answer:
@Test public void testGetDefinitionSetId() { final String expected = "org.kie.workbench.common.dmn.api.DMNDefinitionSet"; final String actual = nameProvider.getDefinitionSetId(); assertEquals(expected, actual); }