AddUserScreenNameDuplicateTest
open /web/guest/home/
waitForElementPresent link=Enterprise Admin Test Page
clickAtAndWait link=Enterprise Admin Test Page
clickAtAndWait link=Users
clickAtAndWait //input[@value='Add User']
type _79_screenName selenium01
type _79_emailAddress testA@selenium.com
type _79_firstName testA
type _79_lastName testA
clickAtAndWait //input[@value='Save']
assertTextPresent You have entered invalid data. Please try again.
assertTextPresent The screen name you requested is already taken.