Modernize test suites to use modern Swift Testing features or migrate from XCTest.
$npx -y skills add superagents-lab/xcode27-skills --skill test-modernizerInstalls into the current project.
Run `npx skills use "https://github.com/superagents-lab/xcode27-skills" --skill "superagents-lab/xcode27-skills/test-modernizer"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/superagents-lab/xcode27-skills" that are relevant to the current task. Run `npx skills add "https://github.com/superagents-lab/xcode27-skills"` and select the relevant skills, then follow their instructions.