private YearAndMonthComparator yearAndMonthComparator = new YearAndMonthComparator();
@Before
public void setUp() {
failures = spy(new Failures());
dates = new Dates();
dates.failures = failures;
yearAndMonthComparisonStrategy = new ComparatorBasedComparisonStrategy(comparatorForCustomComparisonStrategy());
datesWithCustomComparisonStrategy = new Dates(yearAndMonthComparisonStrategy);
datesWithCustomComparisonStrategy.failures = failures;
initActualDate();
}