From f822bb732c97ab6d0a6436fef91ec528eeff3688 Mon Sep 17 00:00:00 2001
From: Dan Hermann <danhermann@users.noreply.github.com>
Date: Thu, 8 Oct 2020 13:15:29 -0500
Subject: [PATCH] Fix failure in
 AppendProcessorTests.testAppendingToListWithDuplicatesDisallowed (#62842)
 (#63499)

---
 .../org/elasticsearch/ingest/common/AppendProcessorTests.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/AppendProcessorTests.java b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/AppendProcessorTests.java
index cef7800e502..67c7a2d87b2 100644
--- a/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/AppendProcessorTests.java
+++ b/modules/ingest-common/src/test/java/org/elasticsearch/ingest/common/AppendProcessorTests.java
@@ -208,7 +208,7 @@ public class AppendProcessorTests extends ESTestCase {
             .collect(Collectors.toSet());
 
         // create a set using the new values making sure there are no overlapping values already present in the existing values
-        Set<String> nonexistingValues = Sets.difference(newValues, new HashSet<>(existingValues));
+        Set<String> nonexistingValues = Sets.difference(newValues, new HashSet<>(list));
         List<String> valuesToAppend = new ArrayList<>(existingValues);
         valuesToAppend.addAll(nonexistingValues);
         expectedValues.addAll(nonexistingValues);