public static String execLine(File workingDir, String command) {
        return exec(false, workingDir, tokenize(command));
    }
@Test
    void testCommandReturn() {
        String cmd = FileUtils.isOsWindows() ? "cmd /c dir" : "ls";
        String result = Command.execLine(new File("target"), cmd);
        assertTrue(result.contains("karate"));
    }