[Integrated] RFR: 341: Show target branch in integration message

[Erik Helin]

Changeset: c010c051
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-04-03 13:57:48 +0000
URL:       https://git.openjdk.java.net/skara/commit/c010c051

341: Show target branch in integration message

Reviewed-by: rwestberg

! bots/pr/src/main/java/org/openjdk/skara/bots/pr/CheckRun.java
! bots/pr/src/test/java/org/openjdk/skara/bots/pr/IntegrateTests.java