test scenario is a situation which a tester takes and write 
test cases on it.Each test scenario might contain single or 
number of test cases.

Test scenarios for the gmail page
1.Click on IE8/Firefox mozilla.
2.enter the gmail url.page should open.
3.Check GUI and Statement of Gmail Page.
4.Check Login name,password and submit button proper 
alignment.
5.check for the availability of all the mandatory fields 
like username ,password,remember me.etc
6.Check validate of Login name.(4 to 16/32 character).
7.Check validate of limit 16,17,31,32,33 character.
8.checking of String limit testing on login name minimum 4 
character.
9.String security testing of Password.
10.Check string security testing of password(4 to 16 
character.)
11.Check minimum range of password 4,5 character.
12.Check submit button properly Enable,disable.
13.Check Functionality of submit button ,submit valid data 
and click on submit button.
14.Check functionality of forgot pasword link.
15.Check Forgot pasword Link Enable/Disable.
26.Check Functionality of i can not access my account link.
27.Check "i can not access my account " Enable/Disable.
28.Check Create new account button Enable/or NOT .That is 
defect to Gmail Site. he is not working..
29.Check functionality of "Create new account button link". 
30.Move the mouse cursor over all enterable text boxes 
(Username and Password). Cursor should change from arrow to 
insert bar.
31.enter different sets of correct usernames and 
passwords.Should be able to open account.
32.Try different sets of incorrect user names and correct 
passwords.Should get the messsage "The username or password 
you entered is incorrect."
33.try different sets of correct usernames and incorrect 
passwords.Should get the message " The username or password 
you entered is incorrect."
34.Try different sets of incorrect usernames and incorrect 
passwords.Should get the msg "The username or password you 
entered is incorrect."
in this way you can wwrite many test scenarios