UI Testing button, textField, allert, navigation bar

UITestOther

func testOther() {
        let app = XCUIApplication() //create app
        XCTAssertTrue(app.navigationBars.staticTexts["Title"].exists) //check navigation bar title
        XCTAssertTrue(app.buttons["Test"].exists) //check button with title Test
        app.buttons["Test"].tap() //tap button
        XCTAssertTrue(app.alerts["Error"].exists) //check allert with title Error
        app.alerts["Error"].buttons.elementBoundByIndex(0).tap()//tap first button on allert
        let textField = app.textFields["nameTextField"] //choose textFields with idenificator nameTextField
        textField.tap()// tap on text fields
        textField.typeText("correct")// write text to textFields
        app.buttons["Test"].tap()
        XCTAssertTrue(app.alerts["Correct"].exists)
    }