Fixed install_spinnaker when release doesnt have tests/
Fixed install_spinnaker when release doesnt have tests/

skim1420/spinnaker,jtk54/spinnaker,ewiseblatt/spinnaker,imosquera/spinnaker,ewiseblatt/spinnaker,Roshan2017/spinnaker,stitchfix/spinnaker,skim1420/spinnaker,stitchfix/spinnaker,stitchfix/spinnaker,ewiseblatt/spinnaker,imosquera/spinnaker,jtk54/spinnaker,duftler/spinnaker,spinnaker/spinnaker,skim1420/spinnaker,tgracchus/spinnaker,Roshan2017/spinnaker,ewiseblatt/spinnaker,duftler/spinnaker,spinnaker/spinnaker,skim1420/spinnaker,duftler/spinnaker,jtk54/spinnaker,spinnaker/spinnaker,imosquera/spinnaker,spinnaker/spinnaker,tgracchus/spinnaker,tgracchus/spinnaker,Roshan2017/spinnaker,duftler/spinnaker