remove llamastackclient from unit tests

tests/unit/providers/nvidia/conftest.py

@@ -4,6 +4,7 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
+import asyncio
 import pytest
 from unittest.mock import AsyncMock, MagicMock, patch
 
@@ -18,3 +19,27 @@ mock_session.__aexit__ = AsyncMock()
 def patch_aiohttp_session():
     with patch("aiohttp.ClientSession", return_value=mock_session):
         yield
+
+
+@pytest.fixture
+def event_loop():
+    """Create and provide a new event loop for each test."""
+    loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
+    yield loop
+    loop.close()
+
+
+@pytest.fixture
+def run_async():
+    """Fixture to run async functions in tests."""
+
+    def _run_async(coro):
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+        try:
+            return loop.run_until_complete(coro)
+        finally:
+            loop.close()
+
+    return _run_async