Add a VM test timeout

When VM test hangs, it would eventually get killed with no output or
archived artifacts for debugging. This CL wraps VM test with a
timeout, so that test artifacts can be archived by cbuildbot in this

TEST=`buildbot/run_tests` passes

Change-Id: Ib55ab061c14e6325b961261797c41530c6695400
Reviewed-by: David James <>
Commit-Queue: Yu-Ju Hong <>
Tested-by: Yu-Ju Hong <>
1 file changed