Fix testProcessMultipleChunks

Author: jfreden

server/src/main/java/org/elasticsearch/reservedstate/service/ReservedClusterStateService.java

@@ -411,8 +411,8 @@ public void process(
         Consumer<Exception> errorListener
     ) {
         ReservedStateChunk reservedStateChunk;
-        ReservedStateVersion reservedStateVersion;
         LinkedHashSet<String> orderedHandlers;
+        ReservedStateVersion reservedStateVersion = null;
 
         try {
             reservedStateChunk = mergeReservedStateChunks(reservedStateChunks);
@@ -423,7 +423,7 @@ public void process(
             ErrorState errorState = new ErrorState(
                 projectId,
                 namespace,
-                reservedStateChunks.getFirst().metadata().version(),
+                reservedStateVersion != null ? reservedStateVersion.version() : null,
                 versionCheck,
                 e,
                 ReservedStateErrorMetadata.ErrorKind.PARSING

server/src/test/java/org/elasticsearch/reservedstate/service/ReservedClusterStateServiceTests.java

@@ -404,7 +404,7 @@ public void testProcessMultipleChunks() throws Exception {
         AtomicReference<Exception> exceptionRef = new AtomicReference<>();
         List<ReservedStateChunk> chunks = new ArrayList<>();
 
-        String[] randomStateKeys = generateRandomStringArray(randomIntBetween(5, 10), randomIntBetween(10, 15), false);
+        String[] randomStateKeys = generateRandomStringArray(randomIntBetween(5, 10), randomIntBetween(10, 15), false, false);
 
         List<ReservedClusterStateHandler<ProjectMetadata, ?>> projectHandlers = new ArrayList<>();
         for (var key : randomStateKeys) {