Manual testing Create a chat activity in a course Log in as s1 and enter the chat On another browser window session (e.g. incognito), log in as s2 and enter the chat. Chat as s1 and s2 in a period less than 1 minute As s1, enter 3 messages As s2, enter 2 messages Leave the chat idle for 6 minutes Login as s3 on another browser session and enter the chat Chat as s1, s2 and s3 for more than 1 minute. As s1, enter 2 messages As s2, enter 4 messages As s3, enter 3 messages Log everyone out. Wait for at least 5 minutes. Log in as admin and go to the chat activity. Click " View past chat sessions " Confirm that you see a single chat session between s1, s2 and s3. Confirm that you see the numbers beside s1, s2 and s3's names match the messages that they sent Add ' &show_all=1 ' at the end of the URL, then hit Enter. Confirm that you see the chat sessions between s1 and s2 and between s1, s2 and s3. Confirm that you see the numbers beside s1, s2 and s3's names match the messages that they have sent in the corresponding chat sessions.