pub fn new<C>(collection: C) -> MultipleMockRequestDispatcher<I>
    where
        C: IntoIterator<Item = MockRequestDispatcher>,
        C: IntoIterator<IntoIter = I>,
    {
        MultipleMockRequestDispatcher {
            iterator: Mutex::new(collection.into_iter()),
        }
    }
Constructs a new MultipleMockRequestDispatcher with a collection of MockRequestDispatch as input
mock/src/lib.rs