Leverage Stryker's incremental mode
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ericcornelissen commented
Chore
Description
Make use of Stryker's incremental mode for better performance when rerunning mutation tests. Incremental mode stores information about mutants, tests, and source code in a file and uses that file in the subsequent runs to not retest mutants that could not possible have changed.
This makes running mutation tests locally during development much more manageable, as well as the CI check much fast.
There are some limitation to incremental mode. Most importantly, this project should start using the Mocha Runner to get the best results with incremental mode.