Performance is an important criteria when choosing test-runner. Tests should pass as fast as possible to detect errors earlier, improve developer experience and reduce CI servers running time. In this story I will compare the most popular JavaScript test-runners on the same set of unit tests and find the winners. CandidatesI will not go deep into the specific features of test-runners. Each one has
![JavaScript Test-Runners Benchmark](https://cdn-ak-scissors.b.st-hatena.com/image/square/6e382b51b155122b9faaaabee8f316f7f9c9b26c/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A800%2F1%2AeXyZiFEIDQ0jgpFN2gQCJA.png)