Mute org.elasticsearch.xpack.ml.integration.DatafeedJobsIT testStopLookbackFollowedByProcessKill #120122

Author: elasticsearchmachine

muted-tests.yml

@@ -456,3 +456,6 @@ tests:
 - class: org.elasticsearch.xpack.ml.integration.DatafeedJobsIT
   method: testStopAndRestartCompositeDatafeed
   issue: https://github.com/elastic/elasticsearch/issues/120160
+- class: org.elasticsearch.xpack.ml.integration.DatafeedJobsIT
+  method: testStopLookbackFollowedByProcessKill
+  issue: https://github.com/elastic/elasticsearch/issues/120122