Higher test coverage for tests/client-sdk

[yanxi0830]

🚀 Describe the new functionality needed

Why

• We want a comprehensive & consolidated test suite covering all functionalities

What

• Audit existing tests on functionalities in providers/tests
• Audit examples in llama-stack-apps & showcase notebooks
• Improve test coverage for client-sdk

Requirements

• add more integration tests in tests/client-sdk covering functionalities in llama-stack-apps

Code Pointer

• tests/client-sdk: https://github.com/meta-llama/llama-stack/tree/main/tests/client-sdk
• llama-stack-apps: https://github.com/meta-llama/llama-stack-apps/tree/main/examples
• providers/tests: https://github.com/meta-llama/llama-stack/tree/main/llama_stack/providers/tests

💡 Why is this needed? What if we don't build it?

reliability

Other thoughts

No response