Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.
Implement comprehensive testing with Jest, Vitest, and Testing Library using TDD, mocking, and fixtures.
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/plugin marketplace add wshobson/agents