ConfigurePortletVisibleWikisNullTest
open /web/guest/home/
waitForElementPresent link=Wiki Test Page
clickAtAndWait link=Wiki Test Page
clickAtAndWait link=Configuration
clickAtAndWait link=Display Settings
addSelection _86_currentVisibleNodes label=Main
clickAt //div/table/tbody/tr/td[2]/a[1]/img
pause 5000
clickAtAndWait //input[@value='Save']
assertTextPresent You have entered invalid data. Please try again.
assertTextPresent Please specify at least one visible node.