Erro ao rodar depois de adicioanr o Junit

package Caelum;

import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;

public class UsuariosSystemTest {

    @Test
    public void deveAdicionarUmUsuario{
        System.setProperty("webdriver.gecko.driver","c:\\geckodriver.exe");
        WebDriver driver = new FirefoxDriver();
        driver.get("http://localhost:8080/usuarios/new");

        WebElement nome =  driver.findElement(By.name("usuario.nome"));
        WebElement email =  driver.findElement(By.name("usuario.email"));

        nome.sendKeys("Jackson Praia Brandão");
        email.sendKeys("jacksonbrandaobr@gmail.com");

        WebElement botaoSalvar = driver.findElement(By.id("btnSalvar"));
        botaoSalvar.click();

        // garantir que Ronaldo foi adicionado!
        boolean achouNome = driver.getPageSource().contains("Jackson Praia Brandão");
        boolean achouEmail = driver.getPageSource().contains("jacksonbrandaobr@gmail.com");

        assertTrue(achouNome);
        assertTrue(achouEmail);

        driver.close();

    }
}

----------MENSAGEM DE ERRO --------------

Information:java: Errors occurred while compiling module 'Selenium_Guru99'
Information:javac 1.8.0_144 was used to compile java sources
Information:13/11/2017 14:01 - Compilation completed with 1 error and 0 warnings in 569ms
C:\Users\jackson.brandao\IdeaProjects\Selenium_Guru99\src\Caelum\UsuariosSystemTest.java
Error:(13, 39) java: '(' expected