A minimalist JavaScript test runner with complete flexibility and ecosystem support.



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A flexible, lightweight test runner for Node.js and browser environments.
Choose your own assertion library, reporter, and mocking tools.
Natively handles async tests with `done()` and promises.
Describes test cases with natural `describe` and `it` blocks.
Supports integrations like Chai, Sinon, Istanbul, and more.
Let’s help you create robust, scalable, and intelligent solutions.