+import javax.xml.bind.SchemaOutputResolver;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Result;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.*;
+