[Integrated] RFR: Fix build break

[Robin Westberg]

Changeset: 8a8f5feb
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2019-12-12 14:22:02 +0000
URL:       https://git.openjdk.java.net/skara/commit/8a8f5feb

Fix build break

Reviewed-by: ehelin

! bots/tester/src/test/java/org/openjdk/skara/bots/tester/InMemoryPullRequest.java