Create a new chat Open the chat and enter a few messages to ensure some content is present Close the chat View the link for past sessions Pass the page through the HTML validator and check for regressions Click the link to 'List all sessions.' Confirm that all chats are shown Confirm that the URL includes: &show_all=1 instead of &show_all=1 Pass the page through the HTML validator and check for regressions Click the link to "List just complete sessions." Confirm that all chats are shown Confirm that the URL includes: &show_all=0 instead of &show_all=0