diff --git a/config/config.yaml b/config/config.yaml
index 711110f97..5025a4977 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -121,7 +121,6 @@ TIMEOUT: 60 # Timeout for llm invocation
 
 # PROMPT_FORMAT: json #json or markdown
 
-<<<<<<< HEAD
 ### Agent configurations
 # RAISE_NOT_CONFIG_ERROR: true  # "true" if the LLM key is not configured, throw a NotConfiguredException, else "false".
 # WORKSPACE_PATH_WITH_UID: false  # "true" if using `{workspace}/{uid}` as the workspace path; "false" use `{workspace}`.
diff --git a/metagpt/tools/azure_tts.py b/metagpt/tools/azure_tts.py
index 8fdb10c13..d3e67c269 100644
--- a/metagpt/tools/azure_tts.py
+++ b/metagpt/tools/azure_tts.py
@@ -6,7 +6,6 @@
 @File    : azure_tts.py
 @Modified by: mashenquan, 2023/8/17. Azure TTS OAS3 api, which provides text-to-speech functionality
 """
-import asyncio
 import base64
 from pathlib import Path
 from uuid import uuid4
@@ -14,7 +13,7 @@ from uuid import uuid4
 import aiofiles
 from azure.cognitiveservices.speech import AudioConfig, SpeechConfig, SpeechSynthesizer
 
-from metagpt.config import CONFIG, Config
+from metagpt.config import CONFIG
 from metagpt.logs import logger
 
 
@@ -103,11 +102,3 @@ async def oas3_azsure_tts(text, lang="", voice="", style="", role="", subscripti
         return ""
 
     return base64_string
-
-
-if __name__ == "__main__":
-    Config()
-    loop = asyncio.new_event_loop()
-    v = loop.create_task(oas3_azsure_tts("测试，test"))
-    loop.run_until_complete(v)
-    print(v)
diff --git a/metagpt/tools/hello.py b/metagpt/tools/hello.py
index 8a21e1b4e..52d2d11c1 100644
--- a/metagpt/tools/hello.py
+++ b/metagpt/tools/hello.py
@@ -12,6 +12,7 @@
         -H 'Content-Type: application/json' \
         -d '{}'
 """
+from pathlib import Path
 
 import connexion
 
@@ -22,6 +23,7 @@ async def post_greeting(name: str) -> str:
 
 
 if __name__ == "__main__":
-    app = connexion.AioHttpApp(__name__, specification_dir="../../.well-known/")
+    specification_dir = Path(__file__).parent.parent.parent / ".well-known"
+    app = connexion.AsyncApp(__name__, specification_dir=str(specification_dir))
     app.add_api("openapi.yaml", arguments={"title": "Hello World Example"})
     app.run(port=8080)
diff --git a/requirements-test.txt b/requirements-test.txt
new file mode 100644
index 000000000..39ba608b7
--- /dev/null
+++ b/requirements-test.txt
@@ -0,0 +1,5 @@
+# For unit test
+-r requirements.txt
+
+connexion[uvicorn]~=3.0.5
+azure-cognitiveservices-speech~=1.31.0
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 5cb01ab99..f2566fb15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,12 +40,12 @@ typing_extensions==4.7.0
 libcst==1.0.1
 qdrant-client==1.4.0
 pytest-mock==3.11.1
-# open-interpreter==0.1.7; python_version>"3.9"
+# open-interpreter==0.1.7; python_version>"3.9" # Conflict with openai 1.x
 ta==0.10.2
 semantic-kernel==0.4.0.dev0
 wrapt==1.15.0
 #aiohttp_jinja2
-#azure-cognitiveservices-speech~=1.31.0
+# azure-cognitiveservices-speech~=1.31.0 # Used by metagpt/tools/azure_tts.py
 #aioboto3~=11.3.0
 #redis==4.3.5
 websocket-client==1.6.2
@@ -54,8 +54,8 @@ gitpython==3.1.40
 zhipuai==1.0.7
 socksio~=1.0.0
 gitignore-parser==0.1.9
-# connexion[swagger-ui]
+# connexion[uvicorn]~=3.0.5 # Used by metagpt/tools/hello.py
 websockets~=12.0
 networkx~=3.2.1
 google-generativeai==0.3.1
-playwright==1.40.0
\ No newline at end of file
+playwright==1.40.0
diff --git a/tests/metagpt/tools/test_azure_tts.py b/tests/metagpt/tools/test_azure_tts.py
index b7f94a19c..38fef557e 100644
--- a/tests/metagpt/tools/test_azure_tts.py
+++ b/tests/metagpt/tools/test_azure_tts.py
@@ -7,13 +7,20 @@
 @Modified By: mashenquan, 2023-8-9, add more text formatting options
 @Modified By: mashenquan, 2023-8-17, move to `tools` folder.
 """
-import asyncio
+
+import pytest
+from azure.cognitiveservices.speech import ResultReason
 
 from metagpt.config import CONFIG
 from metagpt.tools.azure_tts import AzureTTS
 
 
-def test_azure_tts():
+@pytest.mark.asyncio
+async def test_azure_tts():
+    # Prerequisites
+    assert CONFIG.AZURE_TTS_SUBSCRIPTION_KEY and CONFIG.AZURE_TTS_SUBSCRIPTION_KEY != "YOUR_API_KEY"
+    assert CONFIG.AZURE_TTS_REGION
+
     azure_tts = AzureTTS(subscription_key="", region="")
     text = """
         女儿看见父亲走了进来，问道：
@@ -25,20 +32,19 @@ def test_azure_tts():
                 “Writing a binary file in Python is similar to writing a regular text file, but you'll work with bytes instead of strings.”
             </mstts:express-as>
         """
-    path = CONFIG.workspace / "tts"
+    path = CONFIG.workspace_path / "tts"
     path.mkdir(exist_ok=True, parents=True)
     filename = path / "girl.wav"
-    loop = asyncio.new_event_loop()
-    v = loop.create_task(
-        azure_tts.synthesize_speech(lang="zh-CN", voice="zh-CN-XiaomoNeural", text=text, output_file=str(filename))
+    filename.unlink(missing_ok=True)
+    result = await azure_tts.synthesize_speech(
+        lang="zh-CN", voice="zh-CN-XiaomoNeural", text=text, output_file=str(filename)
     )
-    result = loop.run_until_complete(v)
-
     print(result)
-
-    # 运行需要先配置 SUBSCRIPTION_KEY
-    # TODO: 这里如果要检验，还要额外加上对应的asr，才能确保前后生成是接近一致的，但现在还没有
+    assert result
+    assert result.audio_data
+    assert result.reason == ResultReason.SynthesizingAudioCompleted
+    assert filename.exists()
 
 
 if __name__ == "__main__":
-    test_azure_tts()
+    pytest.main([__file__, "-s"])
diff --git a/tests/metagpt/tools/test_code_interpreter.py b/tests/metagpt/tools/test_code_interpreter.py
index 03d4ce8df..b8380967c 100644
--- a/tests/metagpt/tools/test_code_interpreter.py
+++ b/tests/metagpt/tools/test_code_interpreter.py
@@ -1,3 +1,13 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+@Time    :
+@Author  :
+@File    : test_code_interpreter.py
+@Warning : open-interpreter 0.1.17 requires openai<0.29.0,>=0.28.0, but you have openai 1.6.0 which is incompatible.
+           open-interpreter 0.1.17 requires tiktoken<0.5.0,>=0.4.0, but you have tiktoken 0.5.2 which is incompatible.
+"""
+
 from pathlib import Path
 
 import pandas as pd
@@ -23,6 +33,9 @@ class CreateStockIndicators(Action):
 
 @pytest.mark.asyncio
 async def test_actions():
+    # Prerequisites
+    # Conflict with openai 1.x
+
     # 计算指标
     indicators = ["Simple Moving Average", "BollingerBands"]
     stocker = CreateStockIndicators()
@@ -41,3 +54,7 @@ async def test_actions():
         f"使用seaborn对{df_path}中与股票布林带有关的数据列的Date, Close, SMA, BB_upper（布林带上界）, BB_lower（布林带下界）进行可视化, 可视化图片保存在{figure_path}中。不需要任何指标计算，把Date列转换为日期类型。要求图片优美，BB_upper, BB_lower之间使用合适的颜色填充。"
     )
     assert Path(figure_path).is_file()
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-s"])
diff --git a/tests/metagpt/tools/test_hello.py b/tests/metagpt/tools/test_hello.py
new file mode 100644
index 000000000..037dcd1b7
--- /dev/null
+++ b/tests/metagpt/tools/test_hello.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+@Time    : 2023/12/26
+@Author  : mashenquan
+@File    : test_hello.py
+"""
+import subprocess
+from pathlib import Path
+
+import pytest
+import requests
+
+
+@pytest.mark.asyncio
+async def test_hello():
+    script_pathname = Path(__file__).resolve()
+    process = subprocess.Popen(["python", str(script_pathname)])
+
+    url = "http://localhost:8080/openapi/greeting/dave"
+    headers = {"accept": "text/plain", "Content-Type": "application/json"}
+    data = {}
+    response = requests.post(url, headers=headers, json=data)
+    assert response.text == "Hello dave\n"
+
+    process.terminate()
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-s"])