Merge branch 'stable-3.2'

* stable-3.2:
  Remove white-box testing of exceptions in Cache<?,?>
  Remove unused Flogger instance
  Rename setUp to setupTestRepo because of implicit override
  Replace the deprecated RefDatabase.getRef with findRef
  MultiSiteRefUpdateTest: remove redundant IOException
  Do not mock Cache<?,?>
  Format build file with buildifier
  Remove unused wiremock dependency

Change-Id: I88e2c059be25a05dc2ed4d1486ee15e96f5546a2
diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
index 15b1e09..60611f4 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/index/ChangeCheckerImpl.java
@@ -15,7 +15,7 @@
 package com.googlesource.gerrit.plugins.multisite.index;
 
 import com.google.gerrit.entities.Change;
-import com.google.gerrit.entities.Comment;
+import com.google.gerrit.entities.HumanComment;
 import com.google.gerrit.exceptions.StorageException;
 import com.google.gerrit.server.CommentsUtil;
 import com.google.gerrit.server.change.ChangeFinder;
@@ -148,7 +148,7 @@
     Change change = notes.getChange();
     Timestamp changeTs = change.getLastUpdatedOn();
     try {
-      for (Comment comment : commentsUtil.draftByChange(changeNotes.get())) {
+      for (HumanComment comment : commentsUtil.draftByChange(changeNotes.get())) {
         Timestamp commentTs = comment.writtenOn;
         changeTs = commentTs.after(changeTs) ? commentTs : changeTs;
       }