PythonJob result = pythonJob.args();

        assertSame(pythonJob, result);
        assertTrue(pythonJob.argList.isEmpty());
    }

    // Test combining arg and args methods
    public void test_arg_and_args_combination() {
        pythonJob.arg("single1").args("multi1", "multi2").arg("single2").args("multi3");

        assertEquals(5, pythonJob.argList.size());
        assertEquals("single1", pythonJob.argList.get(0));