FileUtils.copyFileToFolder(new File("src/test/resources/remove/test.js"), tmp);
LicenseRemoveMojo remove = new LicenseRemoveMojo();
remove.basedir = tmp;
remove.header = "src/test/resources/remove/header.txt";
remove.project = new MavenProjectStub();
remove.execute();
assertEquals(FileUtils.read(new File(tmp, "test.js"), System.getProperty("file.encoding")), "/**\n" +
" * jrunscript JavaScript built-in functions and objects.\n" +
" */\n" +