fn verify_iter<T: IterItem>(
actual: impl StateStoreIter<T>,
expected: Option<impl StateStoreIter<T>>,
) -> impl StateStoreIter<T>
fn verify_iter<T: IterItem>(
actual: impl StateStoreIter<T>,
expected: Option<impl StateStoreIter<T>>,
) -> impl StateStoreIter<T>