GeoServerResourceLoader loader = GeoServerExtensions.bean(GeoServerResourceLoader.class);
File samplesFolder = new File(loader.getBaseDirectory().getAbsolutePath() + File.separator
+ LegendSampleImpl.LEGEND_SAMPLES_FOLDER);
removeFileOrFolder(samplesFolder);
TransformerBase tr = createTransformer();
tr.setIndentation(2);
Document dom = WMSTestSupport.transform(req, tr);
assertTrue(samplesFolder.exists());
}