Mute test SLMSnapshotBlockingIntegTests.testRetentionWhileSnapshotInProgress

Signed-off-by: Mark Vieira <portugee@gmail.com>
(cherry picked from commit a8a7477c396554926f260d210364f009d85ae5f2)

x-pack/plugin/ilm/src/test/java/org/elasticsearch/xpack/slm/SLMSnapshotBlockingIntegTests.java

@@ -167,6 +167,7 @@ public class SLMSnapshotBlockingIntegTests extends ESIntegTestCase {
         }
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/47834")
     public void testRetentionWhileSnapshotInProgress() throws Exception {
         final String indexName = "test";
         final String policyId = "slm-policy";