fix: change hallucination detection tests to accept differences in explanation

[jakelorocco]

Misc PR

Type of PR

• Bug Fix
• New Feature
• Documentation
• Other

Description

• Link to Issue: Fixes fix: hallucination detection tests #1006

Made the test more permissive in accepting output. Also fixed one unnecessary warning from the open ai backend.

New versions of the tests pass both locally on an apple silicon mac and on a linux machine:

test/stdlib/components/intrinsic/test_rag.py::test_hallucination_detection PASSED                                                              [ 50%]
test/stdlib/components/intrinsic/test_rag.py::test_hallucination_detection_resolve PASSED                                                      [100%]

Testing

• Tests added to the respective file if code was changed
• New code has 100% coverage if code as added
• Ensure existing tests and github automation passes (a maintainer will kick off the github automation when the rest of the PR is populated)

Attribution

• AI coding assistants used

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