NestJS testing patterns: Test.createTestingModule for unit/integration, mocking providers, e2e tests with INestApplication + supertest, ORM mocking (TypeORM/Prisma/Mongoose), test fixtures.
How to install nest-testing?
aratkruglik/claude-sdlc/nest-testing
$npx -y skills add aratkruglik/claude-sdlc --skill nest-testingInstalls into the current project.
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Run `npx skills use "https://github.com/aratkruglik/claude-sdlc" --skill "aratkruglik/claude-sdlc/nest-testing"` 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/aratkruglik/claude-sdlc" that are relevant to the current task. Run `npx skills add "https://github.com/aratkruglik/claude-sdlc"` and select the relevant skills, then follow their instructions.
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