public <T extends BaseRequest<T, R>, R extends BaseResponse> R execute(BaseRequest<T, R> request) {
        return api.send(request);
    }
@Test
    public void deleteChatStickerSet() {
        BaseResponse response = bot.execute(new DeleteChatStickerSet(groupId));
        assertFalse(response.isOk());
        assertEquals(400, response.errorCode());
    }