nickm01

class NavigationFlowTests: XCTestCase {

    func test_navigates_whenTapNext() throws {
        let sut = FlowVM()
        XCTAssertEqual(sut.navigationPath.count, 0)
        let screen1VM = sut.makeScreen1VM()
        screen1VM.didTapNext()
        XCTAssertEqual(sut.navigationPath.count, 1)
    }
}

nickm01

class FlowVM: ObservableObject {
    
    var subscription = Set<AnyCancellable>()

    func makeScreen1VM() -> Screen1PhoneVM {
        let vm = Screen1VM(phoneNumber: model.phoneNumber)
        vm.didComplete
            .sink(receiveValue: didComplete1)
            .store(in: &subscription)
        return vm

nickm01

class FlowVM: ObservableObject {
    @Published var navigationPath = NavigationPath()
    
    func navigateTo2() {
        navigationPath.append(2)
    }
    
    func navigateTo3() {
        navigationPath.append("1")
    }