Mute org.elasticsearch.xpack.migrate.action.ReindexDatastreamIndexTransportActionIT testFailIfMetadataBlockSet #121774

Author: elasticsearchmachine

muted-tests.yml

@@ -514,3 +514,6 @@ tests:
 - class: org.elasticsearch.xpack.ml.integration.ClassificationIT
   method: testWithOnlyTrainingRowsAndTrainingPercentIsHundred
   issue: https://github.com/elastic/elasticsearch/issues/121368
+- class: org.elasticsearch.xpack.migrate.action.ReindexDatastreamIndexTransportActionIT
+  method: testFailIfMetadataBlockSet
+  issue: https://github.com/elastic/elasticsearch/issues/121774