Mockito 2.1.0 makes it possible to mock final classes and thus use it for Kotlin, just follow their instructions here: https://github.com/mockito/mockito/wiki/What%27s-new-in-Mockito-2#mock-the-unmockable-opt-in-mocking-of-final-classesmethods @Paul Woitaschek you might have forgotton to add

mock-maker-inline

?

dionsegijn: not working for Android tests