[TEST] fix checkstyle issues in dynamic mapping tests

Author: javanna

server/src/test/java/org/elasticsearch/index/mapper/DynamicTemplatesTests.java

@@ -326,7 +326,8 @@ public void testDynamicTemplatesForIndexTemplate() throws IOException {
             .endObject()
             .endArray()
             .endObject());
-        mapper = mapperService.merge(MapperService.SINGLE_MAPPING_NAME, new CompressedXContent(mapping), MapperService.MergeReason.INDEX_TEMPLATE);
+        mapper = mapperService.merge(MapperService.SINGLE_MAPPING_NAME, new CompressedXContent(mapping),
+            MapperService.MergeReason.INDEX_TEMPLATE);
 
         templates = mapper.mapping().getRoot().dynamicTemplates();
         assertEquals(3, templates.length);

server/src/test/java/org/elasticsearch/index/mapper/RootObjectMapperTests.java

@@ -8,23 +8,15 @@
 
 package org.elasticsearch.index.mapper;
 
-import org.elasticsearch.Version;
 import org.elasticsearch.common.Strings;
-import org.elasticsearch.common.bytes.BytesArray;
-import org.elasticsearch.common.compress.CompressedXContent;
-import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
-import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.index.mapper.MapperService.MergeReason;
 
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 
-import static org.elasticsearch.test.VersionUtils.randomVersionBetween;
-import static org.hamcrest.Matchers.arrayWithSize;
-import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.instanceOf;
 
 public class RootObjectMapperTests extends MapperServiceTestCase {