Update all tests in DeploymentManagerTests to use async / await.
Update all tests in DeploymentManagerTests to use async / await.

uQr/kudu,badescuga/kudu,mauricionr/kudu,kenegozi/kudu,projectkudu/kudu,bbauya/kudu,sitereactor/kudu,EricSten-MSFT/kudu,barnyp/kudu,shibayan/kudu,kali786516/kudu,YOTOV-LIMITED/kudu,barnyp/kudu,mauricionr/kudu,shanselman/kudu,WeAreMammoth/kudu-obsolete,shrimpy/kudu,WeAreMammoth/kudu-obsolete,EricSten-MSFT/kudu,duncansmart/kudu,MavenRain/kudu,badescuga/kudu,juvchan/kudu,duncansmart/kudu,kenegozi/kudu,puneet-gupta/kudu,shanselman/kudu,duncansmart/kudu,mauricionr/kudu,duncansmart/kudu,kenegozi/kudu,kali786516/kudu,YOTOV-LIMITED/kudu,sitereactor/kudu,oliver-feng/kudu,juvchan/kudu,bbauya/kudu,barnyp/kudu,MavenRain/kudu,uQr/kudu,badescuga/kudu,shrimpy/kudu,badescuga/kudu,uQr/kudu,sitereactor/kudu,kenegozi/kudu,shibayan/kudu,puneet-gupta/kudu,chrisrpatterson/kudu,kali786516/kudu,juvchan/kudu,WeAreMammoth/kudu-obsolete,projectkudu/kudu,juvchan/kudu,projectkudu/kudu,mauricionr/kudu,sitereactor/kudu,dev-enthusiast/kudu,EricSten-MSFT/kudu,shrimpy/kudu,kali786516/kudu,projectkudu/kudu,shanselman/kudu,shibayan/kudu,puneet-gupta/kudu,EricSten-MSFT/kudu,badescuga/kudu,MavenRain/kudu,YOTOV-LIMITED/kudu,projectkudu/kudu,shibayan/kudu,juoni/kudu,YOTOV-LIMITED/kudu,puneet-gupta/kudu,puneet-gupta/kudu,chrisrpatterson/kudu,dev-enthusiast/kudu,oliver-feng/kudu,juoni/kudu,chrisrpatterson/kudu,dev-enthusiast/kudu,oliver-feng/kudu,juoni/kudu,chrisrpatterson/kudu,barnyp/kudu,bbauya/kudu,juvchan/kudu,dev-enthusiast/kudu,shrimpy/kudu,uQr/kudu,juoni/kudu,bbauya/kudu,EricSten-MSFT/kudu,shibayan/kudu,oliver-feng/kudu,sitereactor/kudu,MavenRain/kudu