From e0261a733e38ffa9c4d2a6e3ccea0099175abc6a Mon Sep 17 00:00:00 2001
From: Mark Vieira <portugee@gmail.com>
Date: Mon, 13 Nov 2023 15:04:54 -0800
Subject: [PATCH] Only support the new framework for now

---
 .../main/java/org/elasticsearch/test/rest/ESRestTestCase.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java b/test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java
index a06bb07f892ea..64236b2e82094 100644
--- a/test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java
+++ b/test/framework/src/main/java/org/elasticsearch/test/rest/ESRestTestCase.java
@@ -2224,7 +2224,7 @@ protected Map<NodeFeature, Version> getHistoricalFeatures() {
             Map<NodeFeature, Version> historicalFeaturesMap = new HashMap<>();
             String metadataPath = System.getProperty("tests.features.metadata.path");
             if (metadataPath == null) {
-                throw new IllegalStateException("System property 'tests.features.metadata.path' is undefined.");
+                throw new UnsupportedOperationException("Historical features information is unavailable when using legacy test plugins.");
             }
 
             String[] metadataFiles = metadataPath.split(File.pathSeparator);