diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/__init__.py b/tests/unit/integrations/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/levo/__init__.py b/tests/unit/integrations/levo/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/litellm_agent/__init__.py b/tests/unit/integrations/litellm_agent/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/mavvrik_focus/__init__.py b/tests/unit/integrations/mavvrik_focus/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/opik/__init__.py b/tests/unit/integrations/opik/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/pointfive/__init__.py b/tests/unit/integrations/pointfive/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/integrations/vector_store_integrations/__init__.py b/tests/unit/integrations/vector_store_integrations/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/litellm_core_utils/__init__.py b/tests/unit/litellm_core_utils/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/litellm_core_utils/audio_utils/__init__.py b/tests/unit/litellm_core_utils/audio_utils/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/litellm_core_utils/llm_response_utils/__init__.py b/tests/unit/litellm_core_utils/llm_response_utils/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/__init__.py b/tests/unit/llms/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/a2a/__init__.py b/tests/unit/llms/a2a/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/a2a/chat/__init__.py b/tests/unit/llms/a2a/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/a2a/chat/guardrail_translation/__init__.py b/tests/unit/llms/a2a/chat/guardrail_translation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/anthropic/__init__.py b/tests/unit/llms/anthropic/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/anthropic/batches/__init__.py b/tests/unit/llms/anthropic/batches/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/base_llm/__init__.py b/tests/unit/llms/base_llm/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/base_llm/batches/__init__.py b/tests/unit/llms/base_llm/batches/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/base_llm/realtime/__init__.py b/tests/unit/llms/base_llm/realtime/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/baseten/__init__.py b/tests/unit/llms/baseten/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/baseten/chat/__init__.py b/tests/unit/llms/baseten/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/__init__.py b/tests/unit/llms/bedrock/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/chat/__init__.py b/tests/unit/llms/bedrock/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/chat/agentcore/__init__.py b/tests/unit/llms/bedrock/chat/agentcore/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/chat/invoke_transformations/__init__.py b/tests/unit/llms/bedrock/chat/invoke_transformations/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/chat/mantle/__init__.py b/tests/unit/llms/bedrock/chat/mantle/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/count_tokens/__init__.py b/tests/unit/llms/bedrock/count_tokens/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/files/__init__.py b/tests/unit/llms/bedrock/files/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/image/__init__.py b/tests/unit/llms/bedrock/image/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/image_edit/__init__.py b/tests/unit/llms/bedrock/image_edit/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/invoke_agent/__init__.py b/tests/unit/llms/bedrock/invoke_agent/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/passthrough/__init__.py b/tests/unit/llms/bedrock/passthrough/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/passthrough/guardrail_translation/__init__.py b/tests/unit/llms/bedrock/passthrough/guardrail_translation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/realtime/__init__.py b/tests/unit/llms/bedrock/realtime/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/rerank/__init__.py b/tests/unit/llms/bedrock/rerank/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock/vector_stores/__init__.py b/tests/unit/llms/bedrock/vector_stores/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock_mantle/__init__.py b/tests/unit/llms/bedrock_mantle/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bedrock_mantle/passthrough/__init__.py b/tests/unit/llms/bedrock_mantle/passthrough/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/black_forest_labs/__init__.py b/tests/unit/llms/black_forest_labs/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/black_forest_labs/image_edit/__init__.py b/tests/unit/llms/black_forest_labs/image_edit/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/black_forest_labs/image_generation/__init__.py b/tests/unit/llms/black_forest_labs/image_generation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bytez/__init__.py b/tests/unit/llms/bytez/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/bytez/chat/__init__.py b/tests/unit/llms/bytez/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cerebras/__init__.py b/tests/unit/llms/cerebras/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/chat/__init__.py b/tests/unit/llms/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/chatgpt/__init__.py b/tests/unit/llms/chatgpt/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/chatgpt/chat/__init__.py b/tests/unit/llms/chatgpt/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/chatgpt/responses/__init__.py b/tests/unit/llms/chatgpt/responses/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cloudflare/__init__.py b/tests/unit/llms/cloudflare/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cohere/__init__.py b/tests/unit/llms/cohere/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cohere/chat/__init__.py b/tests/unit/llms/cohere/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cohere/embed/__init__.py b/tests/unit/llms/cohere/embed/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cohere/ocr/__init__.py b/tests/unit/llms/cohere/ocr/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/cohere/rerank/__init__.py b/tests/unit/llms/cohere/rerank/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/crusoe/__init__.py b/tests/unit/llms/crusoe/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/databricks/__init__.py b/tests/unit/llms/databricks/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/databricks/chat/__init__.py b/tests/unit/llms/databricks/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/databricks/responses/__init__.py b/tests/unit/llms/databricks/responses/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/datarobot/__init__.py b/tests/unit/llms/datarobot/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/datarobot/chat/__init__.py b/tests/unit/llms/datarobot/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/deepseek/__init__.py b/tests/unit/llms/deepseek/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/deepseek/chat/__init__.py b/tests/unit/llms/deepseek/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/deepseek/messages/__init__.py b/tests/unit/llms/deepseek/messages/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/docker_model_runner/__init__.py b/tests/unit/llms/docker_model_runner/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/elevenlabs/__init__.py b/tests/unit/llms/elevenlabs/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fastcrw/__init__.py b/tests/unit/llms/fastcrw/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fastcrw/search/__init__.py b/tests/unit/llms/fastcrw/search/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fireworks_ai/__init__.py b/tests/unit/llms/fireworks_ai/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fireworks_ai/chat/__init__.py b/tests/unit/llms/fireworks_ai/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fireworks_ai/rerank/__init__.py b/tests/unit/llms/fireworks_ai/rerank/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/fireworks_ai/responses/__init__.py b/tests/unit/llms/fireworks_ai/responses/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/__init__.py b/tests/unit/llms/gemini/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/audio_transcription/__init__.py b/tests/unit/llms/gemini/audio_transcription/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/files/__init__.py b/tests/unit/llms/gemini/files/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/google_genai/__init__.py b/tests/unit/llms/gemini/google_genai/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/google_genai/guardrail_translation/__init__.py b/tests/unit/llms/gemini/google_genai/guardrail_translation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/image_edit/__init__.py b/tests/unit/llms/gemini/image_edit/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/realtime/__init__.py b/tests/unit/llms/gemini/realtime/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gemini/videos/__init__.py b/tests/unit/llms/gemini/videos/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gigachat/__init__.py b/tests/unit/llms/gigachat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gigachat/chat/__init__.py b/tests/unit/llms/gigachat/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gigachat/embedding/__init__.py b/tests/unit/llms/gigachat/embedding/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gigachat/passthrough/__init__.py b/tests/unit/llms/gigachat/passthrough/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/github_copilot/__init__.py b/tests/unit/llms/github_copilot/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/github_copilot/embedding/__init__.py b/tests/unit/llms/github_copilot/embedding/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/github_copilot/messages/__init__.py b/tests/unit/llms/github_copilot/messages/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/github_copilot/responses/__init__.py b/tests/unit/llms/github_copilot/responses/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gradient_ai/__init__.py b/tests/unit/llms/gradient_ai/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/gradient_ai/chat/__init__.py b/tests/unit/llms/gradient_ai/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/groq/__init__.py b/tests/unit/llms/groq/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/groq/chat/__init__.py b/tests/unit/llms/groq/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/__init__.py b/tests/unit/llms/hosted_vllm/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/chat/__init__.py b/tests/unit/llms/hosted_vllm/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/embedding/__init__.py b/tests/unit/llms/hosted_vllm/embedding/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/image_edit/__init__.py b/tests/unit/llms/hosted_vllm/image_edit/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/responses/__init__.py b/tests/unit/llms/hosted_vllm/responses/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/hosted_vllm/videos/__init__.py b/tests/unit/llms/hosted_vllm/videos/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/huggingface/__init__.py b/tests/unit/llms/huggingface/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/huggingface/rerank/__init__.py b/tests/unit/llms/huggingface/rerank/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/inception/__init__.py b/tests/unit/llms/inception/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/jina_ai/__init__.py b/tests/unit/llms/jina_ai/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/jina_ai/embedding/__init__.py b/tests/unit/llms/jina_ai/embedding/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/langflow/__init__.py b/tests/unit/llms/langflow/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/langflow/chat/__init__.py b/tests/unit/llms/langflow/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/litellm_proxy/__init__.py b/tests/unit/llms/litellm_proxy/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/litellm_proxy/chat/__init__.py b/tests/unit/llms/litellm_proxy/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/litellm_proxy/skills/__init__.py b/tests/unit/llms/litellm_proxy/skills/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/llamafile/__init__.py b/tests/unit/llms/llamafile/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/llamafile/chat/__init__.py b/tests/unit/llms/llamafile/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/meta/__init__.py b/tests/unit/llms/meta/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/meta/realtime/__init__.py b/tests/unit/llms/meta/realtime/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/meta_llama/__init__.py b/tests/unit/llms/meta_llama/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/mistral/audio_speech/__init__.py b/tests/unit/llms/mistral/audio_speech/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/modelscope/__init__.py b/tests/unit/llms/modelscope/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/modelscope/image_generation/__init__.py b/tests/unit/llms/modelscope/image_generation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/mongodb/__init__.py b/tests/unit/llms/mongodb/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/mongodb/vector_stores/__init__.py b/tests/unit/llms/mongodb/vector_stores/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/moonshot/__init__.py b/tests/unit/llms/moonshot/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/neosantara/__init__.py b/tests/unit/llms/neosantara/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nimble/__init__.py b/tests/unit/llms/nimble/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nimble/search/__init__.py b/tests/unit/llms/nimble/search/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/novita/__init__.py b/tests/unit/llms/novita/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/novita/chat/__init__.py b/tests/unit/llms/novita/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nscale/__init__.py b/tests/unit/llms/nscale/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nscale/chat/__init__.py b/tests/unit/llms/nscale/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nvidia_nim/__init__.py b/tests/unit/llms/nvidia_nim/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nvidia_nim/passthrough/__init__.py b/tests/unit/llms/nvidia_nim/passthrough/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nvidia_nim/rerank/__init__.py b/tests/unit/llms/nvidia_nim/rerank/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nvidia_riva/__init__.py b/tests/unit/llms/nvidia_riva/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/nvidia_riva/audio_transcription/__init__.py b/tests/unit/llms/nvidia_riva/audio_transcription/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/oci/__init__.py b/tests/unit/llms/oci/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/oci/chat/__init__.py b/tests/unit/llms/oci/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/oci/embed/__init__.py b/tests/unit/llms/oci/embed/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/ocr/__init__.py b/tests/unit/llms/ocr/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/ocr/guardrail_translation/__init__.py b/tests/unit/llms/ocr/guardrail_translation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/oobabooga/__init__.py b/tests/unit/llms/oobabooga/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/oobabooga/chat/__init__.py b/tests/unit/llms/oobabooga/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/openai/__init__.py b/tests/unit/llms/openai/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/openai/chat/__init__.py b/tests/unit/llms/openai/chat/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/openai/chat/guardrail_translation/__init__.py b/tests/unit/llms/openai/chat/guardrail_translation/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/llms/openai/completion/__init__.py b/tests/unit/llms/openai/completion/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/tests/unit/test_package_layout.py b/tests/unit/test_package_layout.py
new file mode 100644
index 00000000000..4ea68fc06ba
--- /dev/null
+++ b/tests/unit/test_package_layout.py
@@ -0,0 +1,12 @@
+import os
+
+TESTS_UNIT_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+def test_every_directory_under_tests_unit_is_a_package():
+    missing = []
+    for root, dirs, _files in os.walk(TESTS_UNIT_DIR):
+        dirs[:] = [d for d in dirs if d != "__pycache__"]
+        if not os.path.isfile(os.path.join(root, "__init__.py")):
+            missing.append(os.path.relpath(root, TESTS_UNIT_DIR))
+    assert missing == []