Accessibility+Element.swift

import XCTest

// MARK: - Sign In

extension Accessibility.SignIn {
    var element: XCUIElement {
        let application = XCUIApplication() // This doesn't create a new instance every time but the existing instance is reused by XCTest framework automatically if there is one already.
        let identifier = self.identifier

        switch self {
        case .emailTextField, 
             .passwordTextField:
            return application.textFields[identifier].firstMatch
        case .signInButton:
            return application.buttons[identifier].firstMatch
        }
    }
}

// MARK: - Sign Up

extension Accessibility.SignUp {
    var element: XCUIElement {
        let application = XCUIApplication()
        let identifier = self.identifier

        switch self {
        case .emailTextField, 
             .passwordTextField,
             .confirmPasswordTextField:
            return application.textFields[identifier].firstMatch
        case .signUpButton:
            return application.buttons[identifier].firstMatch
        }
    }
}