FileUtils.copyFileToFolder(new File("src/test/resources/update/doc2.txt"), tmp);
LicenseFormatMojo updater = new LicenseFormatMojo();
updater.basedir = tmp;
updater.header = "src/test/resources/update/header.txt";
updater.project = new MavenProjectStub();
updater.execute();
assertEquals(FileUtils.read(new File(tmp, "doc1.txt"), System.getProperty("file.encoding")), "====\r\n My Copyright license 2\r\n====\r\nsome data\r\n");
assertEquals(FileUtils.read(new File(tmp, "doc2.txt"), System.getProperty("file.encoding")), "====\r\n My Copyright license 2\r\n====\r\nsome data\r\n");
}