veyron/tools/playground: Disable test.sh until we work out the race issues.
veyron/tools/playground: Disable test.sh until we work out the race
issues.

Change-Id: I35ebec2b80b5771c76c78ec16d4152a260d6aa3e

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref