с create у тебя не заладилось)
ошибка при компиляции
привела 2 рабочих варианта и линки полезные

@app.route('/todo/api/v1.0/tasks', methods = ['POST'])
@auth.login_required
def create_task():
    if not request.json or not 'title' in request.json:
        abort(400)
    id = 1
    if len(tasks) != 0: id = tasks[-1]['id'] + 1
    task = {
        'id': id,
        'title': request.json['title'],
        'description': request.json.get('description', ""),
        'done': False
    }
    tasks.append(task)
    return jsonify( { 'task': make_public_task(task) } ), 201


@app.route('/todo/api/v1.0/tasks', methods = ['POST'])
@auth.login_required
def create_task():
    if not request.json or not 'title' in request.json:
        abort(400)
    task = {
        'id': 1 if len(tasks) == 0 else tasks[-1]['id'] + 1,
        'title': request.json['title'],
        'description': request.json.get('description', ""),
        'done': False
    }
    tasks.append(task)
    return jsonify( { 'task': make_public_task(task) } ), 201

https://lancelote.gitbooks.io/intermediate-python/content/book/ternary_operators.html
https://lancelote.gitbooks.io/intermediate-python/content/book/comprehensions.html (dict абстракции)
http://www.diveintopython.net/native_data_types/index.html#odbchelper.dict

*****************************************

 @Test
    public void testCreate() {

        TasksApi.create(new Task("Give lesson", "Lesson description", false, TasksApi.uri + "/3"));
        assertTasks(DEFAULT_TASKS[0], DEFAULT_TASKS[1], new Task("Give lesson", "Lesson description", false, TasksApi.uri + "/3"));
    }

/*
    вынеси new Task("Give lesson", "Lesson description", false, TasksApi.uri + "/3") - в переменную

    и дважды ее используй

    тут получится )

    и тут
    testUpdate()
*/