Create correct log dir for CloudFoundry pilot test (#5520)
Create correct log dir for CloudFoundry pilot test (#5520)

build change, not affecting the failed tests. 
frankbu/istio,smawson/istio,istio/istio,smawson/istio,frankbu/istio,frankbu/istio,geeknoid/istio,frankbu/istio,geeknoid/istio,frankbu/istio,geeknoid/istio,istio/istio,istio/istio,smawson/istio,geeknoid/istio,frankbu/istio,smawson/istio,istio/istio,geeknoid/istio,geeknoid/istio,istio/istio,smawson/istio,smawson/istio