Topics Icon Buttons need Accessible Label
Reproducible at pages such as https://gitter.im/gitterHQ/topics/topic/57f378d629de20202ee0d4b1/welcome-to-topics-readme-first?source=orgpage
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Reproducible at pages such as https://gitter.im/gitterHQ/topics/topic/57f378d629de20202ee0d4b1/welcome-to-topics-readme-first?source=orgpage