generator: test noncritical builders

We don't have a good reason for skipping testing of noncritical
builders.

BUG=chromium:1040602
TEST=unit tests

Change-Id: Ibb4c2e070b4d4b6f39df0a072e96b912e8dea1ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/go/+/1993567
Tested-by: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Dhanya Ganesh <dhanyaganesh@chromium.org>
Commit-Queue: Sean Abraham <seanabraham@chromium.org>
2 files changed