Mute org.elasticsearch.xpack.esql.qa.multi_node.EsqlSpecIT test {lookup-join.LookupMessageFromIndexKeep ASYNC} #118399

Author: elasticsearchmachine

muted-tests.yml

@@ -444,3 +444,6 @@ tests:
 - class: org.elasticsearch.reservedstate.service.RepositoriesFileSettingsIT
   method: testSettingsApplied
   issue: https://github.com/elastic/elasticsearch/issues/116694
+- class: org.elasticsearch.xpack.esql.qa.multi_node.EsqlSpecIT
+  method: test {lookup-join.LookupMessageFromIndexKeep ASYNC}
+  issue: https://github.com/elastic/elasticsearch/issues/118399