- remove junit4 dependecies - refactor the unit tests by junit5 - enhance the spring-statemachine-test and spring-statemachine-build-tests so they can work together with junit4/junit5 - relates #779
- remove junit4 dependecies - refactor the unit tests by junit5 - enhance the spring-statemachine-test and spring-statemachine-build-tests so they can work together with junit4/junit5 - relates #779