[CLI] Add unit test (#1321)

* add test_cli.sh

* set -e

tests/unit/cli/test_cli.sh

+#!/bin/bash
+set -e
+# Audio classification
+wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/cat.wav https://paddlespeech.bj.bcebos.com/PaddleAudio/dog.wav
+paddlespeech cls --input ./cat.wav --topk 10
+
+# Punctuation_restoration
+paddlespeech text --input 今天的天气真不错啊你下午有空吗我想约你一起去吃饭
+
+# Speech_recognition
+wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespeech.bj.bcebos.com/PaddleAudio/en.wav
+paddlespeech asr --input ./zh.wav
+paddlespeech asr --model transformer_librispeech --lang en --input ./en.wav
+
+# Text To Speech
+paddlespeech tts --input "你好，欢迎使用百度飞桨深度学习框架！"
+paddlespeech tts --am speedyspeech_csmsc --input "你好，欢迎使用百度飞桨深度学习框架！"
+paddlespeech tts --am fastspeech2_aishell3 --voc pwgan_aishell3 --input "你好，欢迎使用百度飞桨深度学习框架！" --spk_id 0
+paddlespeech tts --am fastspeech2_ljspeech --voc pwgan_ljspeech --lang en --input "hello world"
+paddlespeech tts --am fastspeech2_vctk --voc pwgan_vctk --input "hello, boys" --lang en --spk_id 0
+
+
+# Speech Translation (only support linux)
+paddlespeech st --input ./en.wav