cycler: delete and chill tests; refactor the interface passing

BUG=chromium:1087962
TEST=ran these tests

Change-Id: I01aa1469447772cd5b697d539921e21184f0f0ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/go/+/2277222
Tested-by: George Engelbrecht <engeg@google.com>
Auto-Submit: George Engelbrecht <engeg@google.com>
Commit-Queue: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Sean Abraham <seanabraham@chromium.org>
17 files changed