public void test_DescendingSubMap_pollLastEntry() {
NavigableMap decendingMap = tm.descendingMap();
assertEquals(0, decendingMap.pollLastEntry().getValue());
decendingMap = navigableMap_startExcluded_endExcluded.descendingMap();
assertEquals(101, decendingMap.pollLastEntry().getValue());
decendingMap = navigableMap_startExcluded_endIncluded.descendingMap();
assertEquals(102, decendingMap.pollLastEntry().getValue());
decendingMap = navigableMap_startIncluded_endExcluded.descendingMap();