Remove deprecated testcase in DashboardDataTest

Author: marcus-ny

src/test/java/seedu/address/model/analytics/DashboardDataTest.java

@@ -22,16 +22,6 @@ public void constructor_null_throwsNullPointerException() {
                 new BigDecimal("100"), new Date()));
     }
 
-    @Test
-    public void constructor_overdueReturnDate_throwsIllegalArgumentException() {
-        Analytics analytics = Analytics.getAnalytics(new UniqueLoanList().asUnmodifiableObservableList());
-        // Earliest return date in whole database is earlier than now
-        // Loan is overdue and should not be considered
-        Date oneDayBeforeNow = new Date(new Date().getTime() - 86400000);
-        assertThrows(IllegalArgumentException.class, () -> new DashboardData(analytics,
-                new BigDecimal("100"), oneDayBeforeNow));
-    }
-
     @Test
     public void urgencyTest() {
         Date oneWeekAfterNow = new Date(new Date().getTime() + 604800000);