tree 2fa6e2fb7a6a91a3a7cff437b79b0df5c051d6ba
parent da6485f50199295021e1e981bd683e30ad268ad8
author Ilja H. Friedel <ihf@chromium.org> 1512001397 -0800
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1512094307 +0000

tradefed_test: Fix moblab.

In moblab after a provision we often lack autotest directory
as it gets wiped. Detect this situation and fall back to the
slow path during login.

BUG=chromium:789179
TEST=rm -rf /usr/local/autotest
     test_that <minnie> cheets_CTS_N.arm.CtsDramTestCases
     first time: use slow path
     second time: use fast path

Change-Id: Iea15ff1a40872f784bedb06078571a5e21533f36
Reviewed-on: https://chromium-review.googlesource.com/798536
Commit-Queue: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>