def METHOD_NAME(self):
    with open(os.path.join(self.dir.root, "working.pl"), "r") as f:
        c = f.read()
    response = self.c.post(reverse("filebrowser:option"), {
        'name':    'preview_pl',
        'path':    'Yggdrasil/working.pl',
        'content': c,
    }, content_type='application/json')
    self.assertContains(response, "Quentin Coumes")