[WIP] I get now several other issues when executing the tests. Can you check in, why it was successful when you tested it earlier and now breaking? Use the azure build pipelines instructions for testing

[Copilot]

• Identify test failures and root cause
• Downgrade React from 19.1.1 to 18.3.1 for azure-devops-ui compatibility
• Downgrade React DOM from 19.1.1 to 18.3.1 for consistency
• Update @testing-library/react if needed for React 18 compatibility
• Update @types/react and @types/react-dom to match React 18
• Run tests to verify compatibility fixes
• Run linting to ensure no new issues
• Run build to ensure compilation works

Root cause identified: The project was upgraded to React 19.1.1, but the [email protected] components only officially support React ^16.8.1. The ref handling changes in React 19 are incompatible with the azure-devops-ui components, causing test failures.

Minimal solution: Downgrade React to 18.3.1 (latest stable React 18) to maintain compatibility with existing azure-devops-ui components while keeping modern React features.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud