PDFBOX-5660: fix conversion

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1926839 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

xmpbox/src/test/java/org/apache/xmpbox/XMPMetaDataTest.java

@@ -28,6 +28,7 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.Calendar;
 import java.util.GregorianCalendar;
 import java.util.List;
@@ -166,7 +167,7 @@ void testPDFBOX3257() throws XmpParsingException
                 + "<?xpacket end=\"w\"?>";
         DomXmpParser xmpParser = new DomXmpParser();
         xmpParser.setStrictParsing(false);
-        XMPMetadata xmp = xmpParser.parse(xmpmeta.getBytes());
+        XMPMetadata xmp = xmpParser.parse(xmpmeta.getBytes(StandardCharsets.UTF_8));
         XMPBasicSchema basicSchema = xmp.getXMPBasicSchema();
         Calendar createDate1 = basicSchema.getCreateDate();
         basicSchema.setCreateDate(new GregorianCalendar());