In Salesforce we all succeed in 75% code coverage analysis but this does not say much about the quality of the test suite.
It shows the code that ran and we trust the developer asserted for the right output.
With mutation testing, you assess how good your test sets are in finding bugs. The Salesforce community is moving towards SalesforceDX along with continuous integration and automated tests are essential to the success of these practices.
Join this session about a solution for Mutation Testing in Salesforce and you’ll be a better tester by the end of it. Promised!