Comment 5 for bug 1387330

Full testing method:

1. Log in as Admin
2. Go to Administration → Users → Add users by CSV
3. Uncheck the following:
 | Force password change |
 | Email users about their account |
4. Click “Add users by CSV”
5. Go to Inbox → Compose
6. Fill in the recipients with 2 or more users
7. Fill in Subject with “Testing message”
8. Fill in Message with “Testing message”
9. Click “Send message”
10. Go to Inbox → Go to “Sent”
11. You should see “...” → Passed
12. You should see one arrow link to “Reply all” → Passed
13. Log out as Admin
14. Log in as user “Bob”
15. Go to Inbox
16. You should see “...” → Passed
17. Click “...” → Passed
18. You should see One arrow link to “Reply all” → Passed
19. Click the “Reply all” arrow and you should be see a new message with all recipients → Passed
20. Go to Inbox
21. Click “...”
22. You should see One arrow link to “Reply → Passed
23. Click the “Reply” arrow and you should see a new message replying the recipient → Passed