Assign T&R as owners for tests/ (#17350)
Assign T&R as owners for tests/ (#17350)

Right now this falls back to the top level owners which is probably not the correct choice
smawson/istio,smawson/istio,geeknoid/istio,geeknoid/istio,smawson/istio,istio/istio,geeknoid/istio,geeknoid/istio,smawson/istio,smawson/istio,istio/istio,smawson/istio,geeknoid/istio,geeknoid/istio,istio/istio,istio/istio,istio/istio