Move SearchStatesIT to test directory (#91290)

qa/ccs-rolling-upgrade-remote-cluster/src/javaRestTest/java/org/elasticsearch/upgrades/SearchStatesIT.java → qa/ccs-rolling-upgrade-remote-cluster/src/test/java/org/elasticsearch/upgrades/SearchStatesIT.java

@@ -4,25 +4,6 @@
  * 2.0 and the Server Side Public License, v 1; you may not use this file except
  * in compliance with, at your election, the Elastic License 2.0 or the Server
  * Side Public License, v 1.
- *
- * =============================================================================
- *
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
  */
 
 package org.elasticsearch.upgrades;
@@ -43,7 +24,6 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.test.hamcrest.ElasticsearchAssertions;
 import org.elasticsearch.test.rest.ESRestTestCase;
 import org.elasticsearch.test.rest.ObjectPath;
-import org.elasticsearch.test.rest.yaml.ObjectPath;
 import org.elasticsearch.xcontent.XContentParser;
 import org.elasticsearch.xcontent.XContentParserConfiguration;
 import org.elasticsearch.xcontent.json.JsonXContent;