Avoid stopping test by NullPointerException.
am: a1c78ee85e

Change-Id: I64f477a20dbfe72ae5df2933ac28f708ea33e9bd
tree: c4235ec2e0d9cdbb149cf158eb752c6f8bea6d98
  1. build/
  2. common/
  3. tools/
  4. OWNERS
  5. PREUPLOAD.cfg
  6. test_defs.sh