fixtures:
    - 
        model: Person
        data:
            name: John
            role: Developer
    - 
        model: Person
        data:
            name: Jack
            role: Analyst
    - 
        model: Project
        data:
            name: Great Project
            people:
                - 
                    name: John
                -   
                    name: Jack
    -
        model: Project
        data:
            name: Bad Project
            people: []
    -
        model: Actor
        data:
            id: 1001
            name: Johnny
    -
        model: Actor
        data:
            id: 1002
            name: Jack
    -
        model: Movie
        data:
            id: 1001
            name: Matrix 4
            actors:
                - 
                    name: Johnny
                -
                    name: Jack