@testing-library/dom
Simple and complete DOM testing utilities that encourage good testing practices.
sinon
JavaScript test spies, stubs and mocks.
mathjs
Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif
axe-core
Accessibility engine for automated Web UI testing