def METHOD_NAME(self):
    """move_content moves category threads and posts to other category"""
    for _ in range(10):
        self.create_thread()
    self.category.synchronize()
    # we are using category so we don't have to fake another category
    new_category = Category.objects.create(
        lft=7, rght=8, tree_id=2, level=0, name="Archive", slug="archive"
    )
    self.category.move_content(new_category)
    self.category.synchronize()
    new_category.synchronize()
    self.assertEqual(self.category.threads, 0)
    self.assertEqual(self.category.posts, 0)
    self.assertCategoryIsEmpty()
    self.assertEqual(new_category.threads, 10)
    self.assertEqual(new_category.posts, 10)