run watsjs as user test/test
run watsjs as user test/test

honestly, there are probably way more users than necessary given that
tests are not really being run in parallel any more. But hijacking I saw
this fixed an issue, so lets stick with it for the time being.

Signed-off-by: Jamie Klassen <d740210502544aa0776b92978c6db85774130b86@pivotal.io>

concourse/pipelines