Fix some errors in js-tests.

Review Request #11003 — Created April 20, 2020 and submitted — Latest diff uploaded

Information

Review Board
release-3.0.x
66801ea...

Reviewers

We updated the version of Backbone we were using, which changed some
internals of the router that the tests were using. This change updates
the tests to fix a few breakages.

Ran js-tests.