Mute org.elasticsearch.snapshots.SnapshotShutdownIT testSnapshotShutdownProgressTracker #134620

muted-tests.yml

@@ -537,6 +537,9 @@ tests:
 - class: org.elasticsearch.upgrades.TextRollingUpgradeIT
   method: testIndexing {upgradedNodes=1}
   issue: https://github.com/elastic/elasticsearch/issues/134602
+- class: org.elasticsearch.snapshots.SnapshotShutdownIT
+  method: testSnapshotShutdownProgressTracker
+  issue: https://github.com/elastic/elasticsearch/issues/134620
 
 # Examples:
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