Update IndicesRequestCacheTests.java

Signed-off-by: Kiran Prakash <[email protected]>

server/src/test/java/org/opensearch/indices/IndicesRequestCacheTests.java

@@ -656,7 +656,7 @@ private DirectoryReader getReader(IndexWriter writer, ShardId shardId) throws IO
         return OpenSearchDirectoryReader.wrap(DirectoryReader.open(writer), shardId);
     }
 
-    private IndicesRequestCache getIndicesRequestCache(Settings settings){
+    private IndicesRequestCache getIndicesRequestCache(Settings settings) {
         IndicesService indicesService = getInstanceFromNode(IndicesService.class);
         return new IndicesRequestCache(settings, (shardId -> {
             IndexService indexService = null;