### Question:
AbstractAttributeMapValueLabelValueExtractor extends AbstractLabelValueExtractor<T> { public String getAttributeName() { return attributeName; } protected  AbstractAttributeMapValueLabelValueExtractor(String attributeName, Class<T> type, String labelName, int priority); String getAttributeName(); @Override Set<Object> extract(T source);  }### Answer:
@Test public void getAttributeName() { assertThat(valueExtractor.getAttributeName()).isEqualTo(getExpectedAttributeName()); }