1) Leave blank 3 mandatory fields

2) Leave blank 2 mandatory fields

3) Leave blank 1 mandatory filed

Comment: for 1,2 and 3 valid error message need to displayed.

4) Leave blank 3 optional fields

5) Leave blank 2 optional fields

6) Leave blank 1 optional field

Comment:

-use 4,5 and 6 entering all the mandatory fields. Without error message task
should be performed

-use 4,5, and 6 along with above 1,2, and 3 test cases. Respective error message
should display.

7) Enter all the mandatory fields and all the optional fields

Comment: Task should be performed.

8) Enter all the mandatory fields and no optional fields

Comment: Task should be performed.