tests(ci): fix flaky test

[hassiebp]

Important

Increased sleep duration in test_llama_index_dataset() to fix flaky test and removed langchain-huggingface dependency.

• Tests:
  • Increased sleep duration from 1 to 3 seconds in test_llama_index_dataset() in tests/test_datasets.py to address flaky test issues.
  • Added newline for readability in tests/test_datasets.py.
• Dependencies:
  • Removed langchain-huggingface from pyproject.toml.

^{This description was created by for 8dcaac2. It will automatically update as commits are pushed.}

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Greptile Summary

Disclaimer: Experimental PR review

Increased sleep duration in test_llama_index_dataset to fix flaky test behavior caused by race conditions between API calls and assertions.

• Modified tests/test_datasets.py to increase sleep time from 1 to 3 seconds to ensure asynchronous operations complete before assertions
• Added newline for improved code readability in test file
• Test validates Langfuse-LlamaIndex integration by verifying trace data after running queries

[greptile-apps]

LGTM

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