It stops the build process. Frame the concept in practical terms so you can explain it during interview discussion.
In Maven, if any test fails during the 'test' phase, the build process halts, preventing further phases like 'package' or 'install' from executing. This protects the integrity of the build artifact by ensuring only fully tested and verified code proceeds. For example, in a multi-module e-commerce project, a failing test in the payment module will stop the build, ensuring no partially working application is deployed.
Additional Notes
How does a failing test affect the Maven build lifecycle?