@Test
  public void testIsValidEmail() {
    System.out.println("isValidEmail");
    String email = "*****@*****.**";
    boolean expResult = true;
    boolean result = Util.validarEmail(email);
    assertEquals(expResult, result);

    email = "fdsfsdf.com";
    expResult = false;
    result = Util.validarEmail(email);
    assertEquals(expResult, result);
  }
  @Test
  public void testIsValidCpf() {
    System.out.println("isValidCpf");
    String str = "07555222906";
    boolean expResult = true;
    boolean result = Util.validaCpf(str);

    assertEquals(expResult, result);
    str = "43423432423";
    expResult = false;
    result = Util.validaCpf(str);
    assertEquals(expResult, result);
  }