We should port the remaining Urlbar tests to QuantumBar where possible. The tests concerned are those in
Some of those may require functionality not present yet - so we'll need to ensure we have bugs for those.
This depends on bug 1520494 as in that bug we're adding some extra functionality to UrlbarTestUtils to handle both the legacy bar and QuantumBar.
We should also consider adding extra helper methods if necessary to hide the implementation of the input/view, e.g. for checking result lists or entries.