fix(tests): resolve merge conflict in test_vertex_ai_rerank_transformation.py

[jquinter]

Summary

• tests/test_litellm/llms/vertex_ai/rerank/test_vertex_ai_rerank_transformation.py had two unresolved git merge conflict markers (<<<<<<< litellm_oss_staging_02_17_2026 / >>>>>>> main) on lines 44 and 112
• pytest failed to collect the module with SyntaxError: invalid syntax at line 44
• Fixed by resolving both conflicts, keeping the instance-level mocking approach from the staging branch which is consistent with the rest of the file (avoids @patch class-reference issues caused by importlib.reload(litellm) in conftest.py)

Test plan

• File parses without syntax error: python -c "import ast; ast.parse(open('tests/test_litellm/llms/vertex_ai/rerank/test_vertex_ai_rerank_transformation.py').read())"
• poetry run pytest tests/test_litellm/llms/vertex_ai/rerank/test_vertex_ai_rerank_transformation.py -v collects and runs tests

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Project	Deployment	Actions	Updated (UTC)
litellm	Ready	Preview, Comment	Feb 18, 2026 2:33pm

[greptile-apps]

Greptile Summary

This PR resolves two unresolved git merge conflict markers in the Vertex AI rerank test file that caused SyntaxError during pytest collection.

• Conflict resolution: Both conflicts (at test_get_complete_url and test_validate_environment) are resolved by keeping the staging branch's instance-level mocking approach over the main branch's decorator-based approach
• Correct choice: The instance-level mocking is the right approach because conftest.py calls importlib.reload(litellm), which invalidates class references used by decorator-based patches. The rest of the file already uses this pattern consistently
• No functional changes: Only conflict markers and duplicate code from the main branch variant are removed (45 lines deleted, 0 lines added)
• Tests remain mock-only: All tests continue to use mocks with no real network calls

Confidence Score: 5/5

• This PR is safe to merge — it only removes merge conflict markers and duplicate test code, with no functional changes.
• The change is purely a merge conflict resolution in a test file. It removes 45 lines (conflict markers and the discarded main-branch variant of two test methods) with zero lines added. The chosen resolution (instance-level mocking) is consistent with the rest of the file and correctly accounts for the importlib.reload behavior in conftest.py. The resulting file has no remaining conflict markers and parses cleanly.
• No files require special attention.

Important Files Changed

Filename	Overview
tests/test_litellm/llms/vertex_ai/rerank/test_vertex_ai_rerank_transformation.py	Resolves two unresolved git merge conflict markers (lines 44 and 112) by keeping the instance-level mocking approach from the staging branch, which is resilient to importlib.reload(litellm) in conftest.py. No issues found.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["test_get_complete_url\ntest_validate_environment"] --> B{"Mocking approach?"}
    B -->|"Staging branch - kept"| C["Instance-level mock on\nself.config object"]
    B -->|"Main branch - removed"| D["Decorator-based patch\non class reference"]
    C --> E["Resilient to importlib.reload\nin conftest.py"]
    D --> F["Breaks when importlib.reload\ninvalidates class reference"]
    E --> G["Tests pass"]
    F --> H["Tests fail"]

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