Method enable

django/test/utils.py:949–953

(self)

        super().__init__(**kwargs)

    def enable(self):
        self.old_apps = Options.default_apps
        apps = Apps(self.installed_apps)
        setattr(Options, "default_apps", apps)
        return apps

    def disable(self):
        setattr(Options, "default_apps", self.old_apps)