interface IFoo

class Foo:IFoo {
	fun method(){
		// ...
	}
}

abstract class AbstractBar<T:IFoo>{
    @Inject
    lateinit var foo: T
}



class Bar: AbstractBar<Foo>() {
    fun call(){
        foo.method()
    }
}

class Test {
    @MockK
    lateinit var foo: Foo

    @InjectMockKs lateinit var bar: Bar

    @Before
    fun setUp() = MockKAnnotations.init(this)


    @Test
    fun test() {
        every { foo.method() } answers { nothing }
        bar.call()
        verify { foo.method() }
    }
}