public function testCreateUserPass()
 {
     $expectedFirstname = 'First';
     $expectedSurname = 'Surname';
     $expectedEmail = '*****@*****.**';
     $expectedPassword = substr(md5('password'), 0, 12);
     $this->user->setFirstname($expectedFirstname)->setSurname($expectedSurname)->setEmail($expectedEmail)->setPassword($expectedPassword);
     $this->assertTrue($this->user->isValid(array('firstname', 'surname', 'email', 'password')));
     $messages = $this->user->getInputFilter()->getMessages();
     $this->assertEmpty($messages);
 }