Sample test case for yahoo login test case title : verify username field in the login process 1.open the web browser (any) 2.enter the url in the address bar and click on enter 3. Verify 'yahoo login' home page must be disply 4. Verify username and password fields and login button must be available 5.verifycursor must be display in 'username' text box field 6.enter any information in 'username' test box field 7.delete information in 'username' text box field 8.verify 'username' text box field must be empty 9.enter uername text box field with invalid data and password field with invald data , click on login button 10.verify corresponding error message must be display 11.enter username field with valid data and password field with valid data, click on login button 12.verify user must be login into his account 14.if all steps above pass , test case pass regards, gopi test coe mimos