Mute org.elasticsearch.xpack.security.authc.jwt.JwtRealmSingleNodeTests testGrantApiKeyForJWT #121039

Author: elasticsearchmachine

muted-tests.yml

@@ -501,3 +501,6 @@ tests:
 - class: org.elasticsearch.ingest.geoip.FullClusterRestartIT
   method: testGeoIpSystemFeaturesMigration {cluster=UPGRADED}
   issue: https://github.com/elastic/elasticsearch/issues/121115
+- class: org.elasticsearch.xpack.security.authc.jwt.JwtRealmSingleNodeTests
+  method: testGrantApiKeyForJWT
+  issue: https://github.com/elastic/elasticsearch/issues/121039