Mute RunDataFrameAnalyticsIT::testOutlierDetectionStopAndRestart (#55253)

x-pack/plugin/ml/qa/native-multi-node-tests/src/test/java/org/elasticsearch/xpack/ml/integration/RunDataFrameAnalyticsIT.java

@@ -591,6 +591,7 @@ public class RunDataFrameAnalyticsIT extends MlNativeDataFrameAnalyticsIntegTest
             "Stopped analytics");
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/55068")
     public void testOutlierDetectionStopAndRestart() throws Exception {
         String sourceIndex = "test-outlier-detection-stop-and-restart";