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SymfonyCon 2019 Amsterdam presentation by Lander Vanderstraeten.
Writing tests is nice, but how are you sure that your tests cover all use cases? Code coverage can give false positive metrics. A new way of working that goes by the name of mutation testing has gained a lot of popularity lately. This talk will explain you what it is, how you can integrate it and contains a demo over the basics of mutation testing with infection and phpspec.
Transcript & caption for the talk will be added soon.