@Test
public void rename() throws IOException {

	final String sign = "file_rename";
	FilePath file = new FilePath(new Path(folder.getRoot().toPath().toString(), sign));
	writeFile(file, sign);
	file.getFileSystem().rename(file.getPathStr(), file.getPathStr() + "_new");
	Assert.assertTrue(file.getFileSystem().exists(file.getPathStr() + "_new"));
}