collectAssertions
fun <T, G : ExplanatoryAssertionGroupType, R : ExplanatoryGroup.FinalStep> AssertionsOption<G, R>.collectAssertions(container: AssertionContainer<*>, maybeSubject: Option<T>, assertionCreator: Expect<T>.() -> Unit): ExplanatoryGroup.FinalStep(source)
Collects the assertions assertionCreator creates and uses them as AssertionGroup.assertions.