test: use Qwen3-VL-8B-Instruct for HF API test_live_run_with_tools

[anakin87]

Related Issues

• failing tests due to previous model unavailable: https://github.com/deepset-ai/haystack/actions/runs/23928118362/job/69789262608

Proposed Changes:

• use Qwen3-VL-8B-Instruct instead

How did you test it?

CI

Notes for the reviewer

Had a hard time choosing an instruct model (thinking makes the test slow), not gated, with good support for tool calling and served by HF API provides.

Checklist

• I have read the contributors guidelines and the code of conduct.
• I have updated the related issue with new insights and changes.
• I have added unit tests and updated the docstrings.
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I have documented my code.
• I have added a release note file, following the contributors guidelines.
• I have run pre-commit hooks and fixed any issue.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
haystack-docs	Ignored		Apr 3, 2026 7:29am

[coveralls]

Pull Request Test Coverage Report for Build 23938217953

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 92.86%

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Totals
Change from base Build 23904387626:	0.0%
Covered Lines:	15919
Relevant Lines:	17143

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💛 - Coveralls