refactor: move all testing to top-level of repo

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

tests/local_testing/test_completion_with_retries.py

@@ -0,0 +1,63 @@
+import sys, os
+import traceback
+from dotenv import load_dotenv
+
+load_dotenv()
+import os
+
+sys.path.insert(
+    0, os.path.abspath("../..")
+)  # Adds the parent directory to the system path
+import pytest
+import openai
+import litellm
+from litellm import completion_with_retries, completion
+from litellm import (
+    AuthenticationError,
+    BadRequestError,
+    RateLimitError,
+    ServiceUnavailableError,
+    OpenAIError,
+)
+
+user_message = "Hello, whats the weather in San Francisco??"
+messages = [{"content": user_message, "role": "user"}]
+
+
+def logger_fn(user_model_dict):
+    # print(f"user_model_dict: {user_model_dict}")
+    pass
+
+
+# completion with num retries + impact on exception mapping
+def test_completion_with_num_retries():
+    try:
+        response = completion(
+            model="j2-ultra",
+            messages=[{"messages": "vibe", "bad": "message"}],
+            num_retries=2,
+        )
+        pytest.fail(f"Unmapped exception occurred")
+    except Exception as e:
+        pass
+
+
+# test_completion_with_num_retries()
+def test_completion_with_0_num_retries():
+    try:
+        litellm.set_verbose = False
+        print("making request")
+
+        # Use the completion function
+        response = completion(
+            model="gpt-3.5-turbo",
+            messages=[{"gm": "vibe", "role": "user"}],
+            max_retries=4,
+        )
+
+        print(response)
+
+        # print(response)
+    except Exception as e:
+        print("exception", e)
+        pass