Revert "Let list handling catch up with Java 17"

1 files changed, 5 insertions, 3 deletions

diff --git a/container-search/src/test/java/com/yahoo/search/federation/DuplicateSourceTestCase.java b/container-search/src/test/java/com/yahoo/search/federation/DuplicateSourceTestCase.java
index ea29e0a15ff..cb0d4ab923f 100644
--- a/container-search/src/test/java/com/yahoo/search/federation/DuplicateSourceTestCase.java
+++ b/container-search/src/test/java/com/yahoo/search/federation/DuplicateSourceTestCase.java
@@ -1,6 +1,7 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.search.federation;
 
+import com.google.common.collect.ImmutableList;
 import com.yahoo.component.ComponentId;
 import com.yahoo.component.chain.Chain;
 import com.yahoo.prelude.IndexFacts;
@@ -13,6 +14,7 @@ import com.yahoo.search.searchchain.Execution;
 import com.yahoo.search.searchchain.SearchChainRegistry;
 import org.junit.jupiter.api.Test;
 
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -36,10 +38,10 @@ public class DuplicateSourceTestCase {
         SearchChainRegistry searchChains = new SearchChainRegistry();
         searchChains.register(new Chain<>("chain1", mockBackendSearcher));
         Map<String, List<String>> clusters = new HashMap<>();
-        clusters.put("chain1", List.of("doc1", "doc2"));
-        IndexFacts indexFacts = new IndexFacts(new IndexModel(clusters, List.of()));
+        clusters.put("chain1", ImmutableList.of("doc1", "doc2"));
+        IndexFacts indexFacts = new IndexFacts(new IndexModel(clusters, Collections.emptyList()));
         SearchChainResolver resolver = new SearchChainResolver.Builder()
-                .addSearchChain(new ComponentId("chain1"), List.of("doc1", "doc2"))
+                .addSearchChain(new ComponentId("chain1"), ImmutableList.of("doc1", "doc2"))
                 .build();
         FederationSearcher searcher = new FederationSearcher(new ComponentId("test"), resolver);