The `type: :feature` is automatically detected by RSpec because these
tests are inside the `spec/features` folder. Using `feature` re-adds a
`type: :feature` to these files, which will result in a conflict when we
upgrade to Rails 5.1's system tests.
Because of this change, we also need to change `background` to `before`
or else these tests will fail.
JS modals/browser alerts are not automatically accepted now with
Selenium, events that trigger such events must be wrapped in one
of the following methods: `accept_alert`, `accept_confirm` or
`dismiss_confirm`
Now that we have the option of voting in multiple headings per group,
the method of voting in a “different heading assigned” has become
deprecated and thus removed
Some specs where breaking close to midnight because 30.years.ago uses zone.now and Time.now.utc.to_date doesn't.
Also this will make all codebase consistent in the way time is deal with
