git-codereview: add test for pending

Fixes #9352

Change-Id: I9714c58ead93d8ec91a09e40a04b1a4e2f075c54
Reviewed-on: https://go-review.googlesource.com/1961
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
3 files changed
tree: c691d2659f9fd60bc28a9703e5f8b3913efffa64
  1. README
  2. git-codereview/