refactor: move all testing to top-level of repo

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

tests/local_testing/test_custom_api_logger.py

@@ -0,0 +1,46 @@
+import sys
+import os
+import io, asyncio
+
+# import logging
+# logging.basicConfig(level=logging.DEBUG)
+sys.path.insert(0, os.path.abspath("../.."))
+print("Modified sys.path:", sys.path)
+
+
+from litellm import completion
+import litellm
+
+litellm.num_retries = 3
+
+import time, random
+import pytest
+
+
+@pytest.mark.asyncio
+@pytest.mark.skip(reason="new beta feature, will be testing in our ci/cd soon")
+async def test_custom_api_logging():
+    try:
+        litellm.success_callback = ["generic"]
+        litellm.set_verbose = True
+        os.environ["GENERIC_LOGGER_ENDPOINT"] = "http://localhost:8000/log-event"
+
+        print("Testing generic api logging")
+
+        await litellm.acompletion(
+            model="gpt-3.5-turbo",
+            messages=[{"role": "user", "content": f"This is a test"}],
+            max_tokens=10,
+            temperature=0.7,
+            user="ishaan-2",
+        )
+
+    except Exception as e:
+        pytest.fail(f"An exception occurred - {e}")
+    finally:
+        # post, close log file and verify
+        # Reset stdout to the original value
+        print("Passed! Testing async s3 logging")
+
+
+# test_s3_logging()