Fix CD test get FaqGen values_files error

[ZePan110]

Description

Fix CD test get FaqGen values_files error

Issues

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Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds new functionality)
• Breaking change (fix or feature that would break existing design and interface)
• Others (enhancement, documentation, validation, etc.)

Dependencies

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Tests

https://github.com/opea-project/GenAIExamples/actions/runs/18482299201

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues found.

Scanned Files

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[Copilot]

Pull Request Overview

This PR fixes an issue with retrieving values_files for the FaqGen example during CD testing in the Helm e2e workflow. The change adds a special case to handle FaqGen by looking for faqgen-specific YAML files in the ChatQnA directory instead of the standard FaqGen directory.

• Adds conditional logic to handle FaqGen example differently in CD mode
• Uses ChatQnA directory path with faqgen filter for FaqGen values files

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