Mute ClassificationIT tests (#48338) (#48340)

Author: przemekwitek

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

@@ -6,6 +6,7 @@
 package org.elasticsearch.xpack.ml.integration;
 
 import com.google.common.collect.Ordering;
+import org.apache.lucene.util.LuceneTestCase;
 import org.elasticsearch.ElasticsearchStatusException;
 import org.elasticsearch.action.bulk.BulkRequestBuilder;
 import org.elasticsearch.action.bulk.BulkResponse;
@@ -38,6 +39,7 @@
 import static org.hamcrest.Matchers.lessThanOrEqualTo;
 import static org.hamcrest.Matchers.startsWith;
 
+@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/48337")
 public class ClassificationIT extends MlNativeDataFrameAnalyticsIntegTestCase {
 
     private static final String BOOLEAN_FIELD = "boolean-field";