https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/test/context/DynamicPropertySource.html
https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/test/context/DynamicPropertyRegistry.html

2021
https://www.baeldung.com/spring-dynamicpropertysource
    https://github.com/spring-projects/spring-framework/issues/24540
    https://www.baeldung.com/spring-dirtiescontext