Mix mix = (Mix) conv.toMix (imgElem,null);
BasicDigitalObjectInformation bdoi = mix.getBasicDigitalObjectInformation();
String byteOrder = bdoi.getByteOrder().toString ();
assertEquals ("big endian", byteOrder);
ImageCaptureMetadata icm = mix.getImageCaptureMetadata();
DigitalCameraCapture dcc = icm.getDigitalCameraCapture();
CameraCaptureSettings ccs = dcc.getCameraCaptureSettings();
GPSData gps = ccs.getGPSData();
String gpsVersionID = gps.getGpsVersionID().toString();
assertEquals ("99.5", gpsVersionID);