Fix a failing spec.

- The tests will not assert instead as the test target isn’t blocking
assertions.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Add background image for user preview button.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Merge branch 'master' of https://github.com/opfo/app

* 'master' of https://github.com/opfo/app:
  Change sidebar's gradient saturation.
  Add gradient to sidebar of comment cell.