RFR: 1418: Dependent pull requests: inacurrate bot comment

[Guoxiong Li]

Hi all,

The patch fixes the comment when the dependent pull request was integrated and revises the corresponding test case.

Thanks for taking the time to  review.

Best Regards,
-- Guoxiong

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Commit messages:
 - 1418: Dependent pull requests: inacurrate bot comment

Changes: https://git.openjdk.java.net/skara/pull/1309/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=1309&range=00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-1418
  Stats: 4 lines in 2 files changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/skara/pull/1309.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1309/head:pull/1309

PR: https://git.openjdk.java.net/skara/pull/1309