@app.route("/tests/<int:test_id>/json", methods=["GET", "POST"])
@login_required
def test_json(test_id):
    return_dict = {
        "status": "invalid",
        "error": gettext("The test does not exist"),
        "test": "",
    }
    test = context.query_first(Test, Test.id == test_id)
    if test.rooms:
        if (
                current_user in test.rooms[0].students
                or current_user not in test.rooms[0].professors
        ):

            instance: list = list(
                filter(lambda x: x.student == current_user, test.test_instances)
            )
            if instance:
                instance: TestInstance = instance[0]
                return_dict["test_instance"] = instance.serialize()
                return_dict["status"] = "valid"
                return_dict["test"] = test.serialize()
            else:
                return_dict["error"] = gettext(
                    "There are no tests with the parameters provided"
                )
        else:
            return_dict["error"] = gettext(
                "The test belongs to a room to which you do not have access to."
            )
    else:
        return_dict["error"] = gettext("The test does not belong to any room")
    return jsonify(return_dict)