AddNullVisibleTest
waitForElementPresent link=Wiki Test Page
clickAtAndWait link=Wiki Test Page
assertElementPresent link=Main
clickAtAndWait link=Second Edited Wiki Test
clickAtAndWait link=Configuration
clickAtAndWait link=Display Settings
addSelection _86_currentVisibleNodes label=Second Edited Wiki Test
clickAt //img[@onclick='self.focus();']
addSelection _86_currentVisibleNodes label=Main
clickAt //img[@onclick='self.focus();']
clickAtAndWait //input[@value='Save']
assertTextPresent You have entered invalid data. Please try again.
assertTextPresent Please specify at least one visible node.
clickAtAndWait link=Return to Full Page