Upgrade to JUnit 5.2, Surefire 2.21, PITest 1.4.0 and Mockito 2.18.3
Upgrade to JUnit 5.2, Surefire 2.21, PITest 1.4.0 and Mockito 2.18.3

triceo/robozonky,RoboZonky/robozonky,RoboZonky/robozonky,triceo/zonkybot,triceo/zonkybot,triceo/robozonky