Test the change message that is posted on setting a patch set description

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: Ic86c8ada3ee56344667e46f9b12d83e39b594383

javatests/com/google/gerrit/acceptance/api/revision/RevisionIT.java

diff --git a/javatests/com/google/gerrit/acceptance/api/revision/RevisionIT.java b/javatests/com/google/gerrit/acceptance/api/revision/RevisionIT.java
index c4dec31..d29f1cd 100644
--- a/javatests/com/google/gerrit/acceptance/api/revision/RevisionIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/revision/RevisionIT.java
@@ -1320,10 +1320,24 @@
   public void description() throws Exception {
     PushOneCommit.Result r = createChange();
     assertDescription(r, "");
-    gApi.changes().id(r.getChangeId()).revision(r.getCommit().name()).description("test");
-    assertDescription(r, "test");
+
+    // set description
+    gApi.changes().id(r.getChangeId()).revision(r.getCommit().name()).description("foo");
+    assertDescription(r, "foo");
+    assertThat(Iterables.getLast(gApi.changes().id(r.getChangeId()).get().messages).message)
+        .isEqualTo("Description set to \"foo\"");
+
+    // update description
+    gApi.changes().id(r.getChangeId()).revision(r.getCommit().name()).description("bar");
+    assertDescription(r, "bar");
+    assertThat(Iterables.getLast(gApi.changes().id(r.getChangeId()).get().messages).message)
+        .isEqualTo("Description changed to \"bar\"");
+
+    // remove description
     gApi.changes().id(r.getChangeId()).revision(r.getCommit().name()).description("");
     assertDescription(r, "");
+    assertThat(Iterables.getLast(gApi.changes().id(r.getChangeId()).get().messages).message)
+        .isEqualTo("Description \"bar\" removed");
   }
 
   @Test