             Future.completeAfter(0.4, withValue: 83),
         ]
         
-        let e = self.expectationWithDescription("")
+        let e = self.expectation()
         
         FutureUtils.firstCompletedOf(futures).onSuccess { val in
             XCTAssertEqual(val, 9)

    }
    
    func testUtilsTraverseSingleError() {
        let e = self.expectationWithDescription("")
        
        let evenFuture: Int -> Future<Bool> = { i in
            return future {

    }
    
    func testRecoverWith() {
        let e = self.expectation()
        
        future { () -> Result <Int> in
            .Failure(NSError(domain: "NaN", code: 0, userInfo: nil))
