Avoid doc smoke test overwriting the readme doc
Avoid doc smoke test overwriting the readme doc

Bug: 1254204
Change-Id: I245d24e1c1e0f5785268f03927e64967729e14b6
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/recipes-py/+/3193117
Reviewed-by: Yiwei Zhang <50b2a565e2e78c292794832469a30ce5abc9959c@google.com>
Commit-Queue: Yuanjun Huang <a5f4b8445ce5e958d19c0a7caeadcd07c9d18770@google.com>

luci/recipes-py,luci/recipes-py