Version 3.19.0 is available upstream. Please consider updating!
It seems that version 3.19.0 is available upstream, while the latest version in the Gentoo tree is 2.3.0. You think this warning is false? Read more about it here.
AssertJ core is a Java library that provides a fluent interface for writing assertions. Its main goal is to improve test code readability and make maintenance of tests easier. AssertJ core provides assertions for JDK standard types can be used with either JUnit or TestNG.