RFR: pr: fix merge tests

[Erik Helin]

Hi all,

please review this small patch that fixes a test after fce40b52 was pushed. I updated the wording right before pushing
and forgot to update the test.

Testing:
- [x] `make test` passes on Linux x64

Thanks,
Erik

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Commit messages:
 - pr: fix merge tests

Changes: https://git.openjdk.java.net/skara/pull/694/files
 Webrev: https://webrevs.openjdk.java.net/skara/694/webrev.00
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/694.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/694/head:pull/694

PR: https://git.openjdk.java.net/skara/pull/694