[ML] muting ClassificationIT>testStopAndRestart #85536 (#85548)

relates to #85536

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

@@ -573,6 +573,7 @@ public class ClassificationIT extends MlNativeDataFrameAnalyticsIntegTestCase {
         );
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/85536")
     public void testStopAndRestart() throws Exception {
         initialize("classification_stop_and_restart");
         String predictedClassField = KEYWORD_FIELD + "_prediction";