Pin testtools to avoid breakage in 0.9.35
Pin testtools to avoid breakage in 0.9.35

Change-Id: Iccc3ce7456969c1bf66e58741b993232c5569d20
Signed-off-by: Paul Belanger <b4265d8fef626f73eff739ef4ffce9d45b30eddd@polybeacon.com>

kickstandproject/ripcord