Fix tests
Fixes the following spinach tests.
Test was introduced in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9382 but emoji structure changed in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9569
Error summary:
Failures (2)
Award Emoji :: I add and remove custom award in the issue :: And I can remove it by clicking to icon
Award Emoji :: I add award emoji using regular comment :: Then I have new comment with emoji added
Also fixes Live preview a customized broadcast message
in admin_broadcast_messages_spec.rb
See https://gitlab.slack.com/archives/C0GQHHPGW/p1490398531185144