Add unit test to cover multiple different locality case (#12388)
Add unit test to cover multiple different locality case (#12388)

This PR only increases test coverage. Does not impact functionality.

Signed-off-by: Liam White <3c5e7eab99ca6c994607f4051b2fb6d9f7c7001a@tetrate.io>
smawson/istio,geeknoid/istio,geeknoid/istio,geeknoid/istio,smawson/istio,istio/istio,smawson/istio,geeknoid/istio,istio/istio,istio/istio,geeknoid/istio,geeknoid/istio,istio/istio,smawson/istio,smawson/istio,smawson/istio,istio/istio