Allowed specify scheduled time, comfigured specific time default values.

1. go to Website & Content → Promo Blocks → Default Group section
2. click on "Add" button
3. confirm that form opens and "Schedule ..." fields are empty
4. click on "Schedule From" date picker icon
5. confirm that picker opens and contains current date, but midnight time
6. pick some date
7. confirm that picker closes and chosen date placed in the input field
8. click on date picker icon
9. confirm that picker opens and contains previously picked date and time
10. click on "Schedule To" date picker icon
11. confirm that picker opens and contains current date, but "23:59" (or "11:59 PM" depending on regional settings) time
12. pick some date
13. confirm that picker closes and chosen date placed in the input field
14. click on date picker icon
15. confirm that picker opens and contains previously picked date and time
16. input "from" date later than "to" date, press "Save" button
17. confirm, that promo block is not saved and error is shown on "Schedule From" field