[PATCH STABLE] tests: fix test-check-commit.t when all commits are public

[Yuya Nishihara]

On Tue, 24 Apr 2018 22:49:31 -0400, Augie Fackler wrote:
> # HG changeset patch
> # User Augie Fackler <augie at google.com>
> # Date 1524624434 14400
> #      Tue Apr 24 22:47:14 2018 -0400
> # Branch stable
> # Node ID b94ee201294ad0d2ee60f6119f7c840f5ec67d3c
> # Parent  8c8b6d13949af6233a5ffa3590e9428fc77a3d69
> tests: fix test-check-commit.t when all commits are public

Queued, thanks.