Nested function selector in swift for testing

Here is my situation and perhaps there is an easier way to do this:

I'm testing some stuff that uses notifications and I didn't want to have to define my expectations as class level optional variables so I was wondering if I can make them local variables to a function in such a way that my notification handler can access them.

My attempt was to make notification handler functions as nested functions inside my top level test function - but i've run into selector naming issues as I'm not sure what I need to tell the notification handler to call

class FilePlayerTests: XCTestCase {

func testFilePlayback() {


    let f1URL : NSURL = NSBundle(forClass: FilePlayerTests.self).URLForResource("test1", withExtension: "csv")!
    let f2URL : NSURL = NSBundle(forClass: FilePlayerTests.self).URLForResource("test2", withExtension: "csv")!
    let f3URL : NSURL = NSBundle(forClass: FilePlayerTests.self).URLForResource("test3", withExtension: "csv")!

    let f1 = dm.createFilePlayerFromURL(f1URL)
    let f2 = dm.createFilePlayerFromURL(f2URL)
    let f3 = dm.createFilePlayerFromURL(f3URL)


    let e1 = expectationWithDescription("xplane1")
    let e2 = expectationWithDescription("xplane2")
    let e3 = expectationWithDescription("xplane3")



    f1?.startPlayback()


    //Define LocationMessage Observer
    nc.addObserver(self, selector: "newHandler:",
        name: dmNotification.LocationData.rawValue,
        object: nil)


    ///Prints out a new Location Message
    func newHandler(notif: NSNotification) {
        let msg = notif.asLocationMessage!
        println(msg)

        e1.fulfill()
    }

}
}

So my code is crashing because it can't find the selector.

1) Is this valid?

2) How would i name the selector correctly so it could be found?