Automatic merge from submit-queue (batch tested with PRs 59901, 59302, 59928). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add more tests for Azure routes.

This builds off of #59165 

Please only review https://github.com/kubernetes/kubernetes/pull/59302/commits/a8d0e73234f0dc047966b7c6c660ac5344113780