PostFinalStep(expect: Expect<T>, action: Expect<T>.() -> E, actionAndApply: Expect<T>.(Expect<R>.() -> Unit) -> Expect<R>)
Step which kind of holds the state of a previous final step related to a subject change/feature extraction etc. and now allows to decide what should happen with it.
T - The type of the current Expect, the current subject of the assertion respectively.
R - The type of the new Expect, the new subject of the assertion respectively.