existing-refactored-2.swift

private func waitForElementToAppear(element: XCUIElement,
    file: String = __FILE__, line: UInt = __LINE__) {
    let existsPredicate = NSPredicate(format: "exists == true")
    expectationForPredicate(existsPredicate,
        evaluatedWithObject: element, handler: nil)

    waitForExpectationsWithTimeout(5) { (error) -> Void in
        if (error != nil) {
            let message = "Failed to find \(element) after 5 seconds."
            self.recordFailureWithDescription(message,
                inFile: file, atLine: line, expected: true)
        }
    }
}