Fix weekly live testing pipeline - add test-resources.json for Azure AI Evaluation

[Copilot]

Description

The weekly live testing pipeline fails with AssertionError: Connection 'azure_ai_project_scope' not found in dev connections. Tests expected a connections.json file that doesn't exist in CI/CD environments. This PR implements the standard Azure SDK pattern for test resource provisioning.

Changes

Added sdk/evaluation/test-resources.json

• ARM template provisions Azure ML workspace (AI project), Azure OpenAI with gpt-35-turbo deployment, and supporting infrastructure
• Outputs environment variables: AZURE_AI_PROJECT_*, AZURE_OPENAI_*

Updated sdk/evaluation/azure-ai-evaluation/tests/conftest.py

• Added _get_connection_from_env() to read from environment variables when connections.json absent
• Maintains backward compatibility with existing connections.json workflow

Added sdk/evaluation/TESTING.md

• Documents both local development (connections.json) and CI/CD (ARM template) testing approaches

The pipeline will now use New-TestResources.ps1 to deploy the ARM template, setting environment variables that tests consume.

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

Original prompt

Currently our weekly live testing pipeline fails with the following error:

failed on setup with "AssertionError: Connection 'azure_ai_project_scope' not found in dev connections.
assert 'azure_ai_project_scope' in {}"

E assert 'azure_ai_project_scope' in {}

It seems we are missing the proper testing resources to enable weekly live testing. Follow best practice and documentation to get our tests passing. Link to pipeline: https://dev.azure.com/azure-sdk/internal/_build?definitionId=7163

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[github-actions]

Hi @copilot. Thank you for your interest in helping to improve the Azure SDK experience and for your contribution. We've noticed that there hasn't been recent engagement on this pull request. If this is still an active work stream, please let us know by pushing some changes or leaving a comment. Otherwise, we'll close this out in 7 days.