oleaut32/tests: Add a test for DosTime.

dlls/oleaut32/tests/vartest.c

@@ -1759,7 +1759,8 @@ static void test_DosDateTimeToVariantTime(void)
   DOS2DT(1,1,1980,0,0,29,1,29221.00032407407); /* 1/1/1980 12:00:28 AM */
   DOS2DT(1,1,1980,0,0,31,1,29221.00034722222); /* 1/1/1980 12:00:30 AM */
   DOS2DT(1,1,1980,0,59,0,1,29221.04097222222); /* 1/1/1980 12:59:00 AM */
-  DOS2DT(1,1,1980,0,60,0,0,0.0);               /* Invalid seconds */
+  DOS2DT(1,1,1980,0,60,0,0,0.0);               /* Invalid minutes */
+  DOS2DT(1,1,1980,0,0,60,0,0.0);               /* Invalid seconds */
   DOS2DT(1,1,1980,23,0,0,1,29221.95833333333); /* 1/1/1980 11:00:00 PM */
   DOS2DT(1,1,1980,24,0,0,0,0.0);               /* Invalid hours */
 }