LCORE-1206add extra e2e tests to align with OLS

[radofuchs]

Description

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up service version
• Bump-up dependent library
• Bump-up library or tool used for development (does not change the final image)
• CI configuration change
• Konflux configuration change
• Unit tests improvement
• Integration tests improvement
• End to end tests improvement

Tools used to create PR

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Related Tickets & Documents

• Related Issue #LCORE-1206
• Closes #

Checklist before requesting a review

• I have performed a self-review of my code.
• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

• Please provide detailed steps to perform tests related to this code change.
• How were the fix/results from this change verified? Please provide relevant screenshots or results.

Summary by CodeRabbit

• Tests
  • Enhanced test coverage for query error scenarios, including invalid conversation IDs, unknown models/providers, and connectivity issues.
  • Added validation tests for attachment handling in queries.
  • Expanded streaming query error handling test cases for model and provider validation.

[coderabbitai]

Walkthrough

The pull request modifies two end-to-end BDD test feature files to add and reorganize test scenarios for error conditions. Changes include tests for incorrect conversation ID format, unknown models and providers, connectivity failures, missing query parameters, and missing field combinations, along with attachment handling validation.

Changes

Cohort / File(s)	Summary
Query Error Scenarios tests/e2e/features/query.feature	Removed one test scenario; added tests for 422 improper conversation ID, 404 unknown model/provider, 503 llama-stack connectivity failure, 422 missing query, and 422 missing model/provider combinations; added scenario for attachment handling (XML/JSON) returning 200; reorganized scenarios under skip-in-library-mode.
Streaming Query Error Scenarios tests/e2e/features/streaming_query.feature	Added two new test scenarios for 404 unknown model and 404 unknown provider errors when querying the streaming\_query endpoint.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• #745: Adds scenarios for unknown model/provider errors and related streaming-query test behaviors.
• #997: Adds end-to-end test assertions for 404 "model does not exist" error scenarios in query.feature.
• #425: Introduces initial e2e feature tests for both query.feature and streaming_query.feature.

Suggested reviewers

• tisnik
• are-ces

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title refers to adding extra e2e tests to align with OLS, which directly matches the changeset of adding new test scenarios to query and streaming_query feature files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[tisnik]

LGTM

[JoaoFula]

LGTM