[swarming] Add debug logs to local_smoke_test.py
[swarming] Add debug logs to local_smoke_test.py

Bug: 1255535
Change-Id: I6a48b2c33e608045883f4c2beb104dde2e8271f8
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-py/+/3226449
Commit-Queue: Junji Watanabe <aaef61ef98ffea505db831f310be2a0eb8492537@google.com>
Commit-Queue: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>
Auto-Submit: Junji Watanabe <aaef61ef98ffea505db831f310be2a0eb8492537@google.com>
Reviewed-by: Takuto Ikuta <71927f930fca81015e0f496c65cd126ab1a692e3@chromium.org>

luci/luci-py,luci/luci-py,luci/luci-py,luci/luci-py