refactor: move all testing to top-level of repo

Closes https://github.com/BerriAI/litellm/issues/486

tests/local_testing/test_python_38.py

@@ -0,0 +1,85 @@
+import asyncio
+import os
+import subprocess
+import sys
+import time
+import traceback
+
+import pytest
+
+sys.path.insert(
+    0, os.path.abspath("../..")
+)  # Adds the parent directory to the system path
+
+
+def test_using_litellm():
+    try:
+        import litellm
+
+        print("litellm imported successfully")
+    except Exception as e:
+        pytest.fail(
+            f"Error occurred: {e}. Installing litellm on python3.8 failed please retry"
+        )
+
+
+def test_litellm_proxy_server():
+    # Install the litellm[proxy] package
+    subprocess.run(["pip", "install", "litellm[proxy]"])
+
+    # Import the proxy_server module
+    try:
+        import litellm.proxy.proxy_server
+    except ImportError:
+        pytest.fail("Failed to import litellm.proxy_server")
+
+    # Assertion to satisfy the test, you can add other checks as needed
+    assert True
+
+
+import os
+import subprocess
+import time
+
+import pytest
+import requests
+
+
+def test_litellm_proxy_server_config_no_general_settings():
+    # Install the litellm[proxy] package
+    # Start the server
+    try:
+        subprocess.run(["pip", "install", "litellm[proxy]"])
+        subprocess.run(["pip", "install", "litellm[extra_proxy]"])
+        filepath = os.path.dirname(os.path.abspath(__file__))
+        config_fp = f"{filepath}/test_configs/test_config_no_auth.yaml"
+        server_process = subprocess.Popen(
+            [
+                "python",
+                "-m",
+                "litellm.proxy.proxy_cli",
+                "--config",
+                config_fp,
+            ]
+        )
+
+        # Allow some time for the server to start
+        time.sleep(60)  # Adjust the sleep time if necessary
+
+        # Send a request to the /health/liveliness endpoint
+        response = requests.get("http://localhost:4000/health/liveliness")
+
+        # Check if the response is successful
+        assert response.status_code == 200
+        assert response.json() == "I'm alive!"
+    except ImportError:
+        pytest.fail("Failed to import litellm.proxy_server")
+    except requests.ConnectionError:
+        pytest.fail("Failed to connect to the server")
+    finally:
+        # Shut down the server
+        server_process.terminate()
+        server_process.wait()
+
+    # Additional assertions can be added here
+    assert True