diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index a3a2d61a5..021b766bd 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -67,18 +67,18 @@ jobs:
       run: pyright
     - name: Test with tox
       run: tox -e py
-    - name: Coveralls Parallel
-      uses: coverallsapp/github-action@v2
-      with:
-        flag-name: run-${{ join(matrix.*, '-') }}
-        parallel: true
-  finish:
-    needs: build
-    if: ${{ always() }}
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    steps:
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@v2
-      with:
-        parallel-finished: true
+  #   - name: Coveralls Parallel
+  #     uses: coverallsapp/github-action@v2
+  #     with:
+  #       flag-name: run-${{ join(matrix.*, '-') }}
+  #       parallel: true
+  # finish:
+  #   needs: build
+  #   if: ${{ always() }}
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 5
+  #   steps:
+  #   - name: Coveralls Finished
+  #     uses: coverallsapp/github-action@v2
+  #     with:
+  #       parallel-finished: true
diff --git a/binance/ws/websocket_api.py b/binance/ws/websocket_api.py
index 8542b62db..52c5518d7 100644
--- a/binance/ws/websocket_api.py
+++ b/binance/ws/websocket_api.py
@@ -1,4 +1,4 @@
-from typing import Dict
+from typing import Dict, Optional
 import asyncio
 
 from websockets import WebSocketClientProtocol  # type: ignore
@@ -13,10 +13,15 @@ def __init__(self, url: str, tld: str = "com", testnet: bool = False):
         self._tld = tld
         self._testnet = testnet
         self._responses: Dict[str, asyncio.Future] = {}
-        self._connection_lock = (
-            asyncio.Lock()
-        )  # used to ensure only one connection is established at a time
+        self._connection_lock: Optional[asyncio.Lock] = None
         super().__init__(url=url, prefix="", path="", is_binary=False)
+    
+    @property
+    def connection_lock(self) -> asyncio.Lock:
+        if self._connection_lock is None:
+            loop = asyncio.get_event_loop()
+            self._connection_lock = asyncio.Lock()
+        return self._connection_lock
 
     def _handle_message(self, msg):
         """Override message handling to support request-response"""
@@ -51,7 +56,7 @@ async def _ensure_ws_connection(self) -> None:
         3. Wait for connection to be ready
         4. Handle reconnection if needed
         """
-        async with self._connection_lock:
+        async with self.connection_lock:
             try:
                 if (
                     self.ws is None
diff --git a/tests/conftest.py b/tests/conftest.py
index ca4550e5d..660369746 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -62,20 +62,32 @@ def futuresClient():
 
 
 @pytest.fixture(scope="function")
-def clientAsync():
-    return AsyncClient(api_key, api_secret, https_proxy=proxy, testnet=testnet)
+async def clientAsync():
+    client = AsyncClient(api_key, api_secret, https_proxy=proxy, testnet=testnet)
+    try:
+        yield client
+    finally:
+        await client.close_connection()
 
 
 @pytest.fixture(scope="function")
-def futuresClientAsync():
-    return AsyncClient(
+async def futuresClientAsync():
+    client = AsyncClient(
         futures_api_key, futures_api_secret, https_proxy=proxy, testnet=testnet
     )
+    try:
+        yield client
+    finally:
+        await client.close_connection()
 
 
 @pytest.fixture(scope="function")
-def liveClientAsync():
-    return AsyncClient(api_key, api_secret, https_proxy=proxy, testnet=False)
+async def liveClientAsync():
+    client = AsyncClient(api_key, api_secret, https_proxy=proxy, testnet=False)
+    try:
+        yield client
+    finally:
+        await client.close_connection()
 
 @pytest.fixture(scope="function")
 def manager():
diff --git a/tests/test_ws_api.py b/tests/test_ws_api.py
index dfdbad1cc..a3694ee5d 100644
--- a/tests/test_ws_api.py
+++ b/tests/test_ws_api.py
@@ -114,38 +114,58 @@ async def test_testnet_url():
 @pytest.mark.asyncio
 async def test_message_handling(clientAsync):
     """Test message handling with various message types"""
-    # Test valid message
-    future = asyncio.Future()
-    clientAsync.ws_api._responses["123"] = future
-    valid_msg = {"id": "123", "status": 200, "result": {"test": "data"}}
-    clientAsync.ws_api._handle_message(json.dumps(valid_msg))
-    result = await clientAsync.ws_api._responses["123"]
-    assert result == valid_msg
-    
-@pytest.mark.asyncio
-async def test_message_handling_raise_exception(clientAsync):
-    with pytest.raises(BinanceAPIException):
+    try:
+        # Test valid message
         future = asyncio.Future()
         clientAsync.ws_api._responses["123"] = future
-        valid_msg = {"id": "123", "status": 400, "error": {"code": "0", "msg": "error message"}}
+        valid_msg = {"id": "123", "status": 200, "result": {"test": "data"}}
         clientAsync.ws_api._handle_message(json.dumps(valid_msg))
-        await future
+        result = await clientAsync.ws_api._responses["123"]
+        assert result == valid_msg
+    finally:
+        # Ensure cleanup
+        await clientAsync.close_connection()
+
+
+@pytest.mark.asyncio
+async def test_message_handling_raise_exception(clientAsync):
+    try:
+        with pytest.raises(BinanceAPIException):
+            future = asyncio.Future()
+            clientAsync.ws_api._responses["123"] = future
+            valid_msg = {"id": "123", "status": 400, "error": {"code": "0", "msg": "error message"}}
+            clientAsync.ws_api._handle_message(json.dumps(valid_msg))
+            await future
+    finally:
+        # Ensure cleanup
+        await clientAsync.close_connection()
+
+
 @pytest.mark.asyncio
 async def test_message_handling_raise_exception_without_id(clientAsync):
-    with pytest.raises(BinanceAPIException):
-        future = asyncio.Future()
-        clientAsync.ws_api._responses["123"] = future
-        valid_msg = {"id": "123", "status": 400, "error": {"code": "0", "msg": "error message"}}
-        clientAsync.ws_api._handle_message(json.dumps(valid_msg))
-        await future
-    
+    try:
+        with pytest.raises(BinanceAPIException):
+            future = asyncio.Future()
+            clientAsync.ws_api._responses["123"] = future
+            valid_msg = {"id": "123", "status": 400, "error": {"code": "0", "msg": "error message"}}
+            clientAsync.ws_api._handle_message(json.dumps(valid_msg))
+            await future
+    finally:
+        # Ensure cleanup
+        await clientAsync.close_connection()
+
+
 @pytest.mark.asyncio
 async def test_message_handling_invalid_json(clientAsync):
-    with pytest.raises(json.JSONDecodeError):
-        clientAsync.ws_api._handle_message("invalid json")
+    try:
+        with pytest.raises(json.JSONDecodeError):
+            clientAsync.ws_api._handle_message("invalid json")
 
-    with pytest.raises(json.JSONDecodeError):
-        clientAsync.ws_api._handle_message("invalid json")
+        with pytest.raises(json.JSONDecodeError):
+            clientAsync.ws_api._handle_message("invalid json")
+    finally:
+        # Ensure cleanup
+        await clientAsync.close_connection()
 
 
 @pytest.mark.asyncio(scope="function")
@@ -199,6 +219,7 @@ async def test_ws_queue_overflow(clientAsync):
         # Restore original queue size
         clientAsync.ws_api.MAX_QUEUE_SIZE = original_size
 
+
 @pytest.mark.skipif(sys.version_info < (3, 8), reason="websockets_proxy Python 3.8+")
 @pytest.mark.asyncio
 async def test_ws_api_with_stream(clientAsync):
diff --git a/tox.ini b/tox.ini
index ab2427681..d26e34650 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ passenv =
     TEST_API_SECRET
     TEST_FUTURES_API_KEY
     TEST_FUTURES_API_SECRET
-commands = pytest -n 1 -v tests/  --doctest-modules --cov binance --cov-report term-missing --reruns 3 --reruns-delay 120
+commands = pytest -n 5 -v tests/  --doctest-modules --cov binance --cov-report term-missing --reruns 3 --reruns-delay 120
 
 [pep8]
 ignore = E501