public function testBuildForm()
 {
     // test encrypted password
     $encPassword = base64_encode('test');
     $this->encryptor->expects($this->once())->method('encryptData')->will($this->returnValue($encPassword));
     $form = $this->factory->create($this->formType);
     $form->submit('test');
     $this->assertEquals($encPassword, $form->getData());
     // test empty password with old password defined
     $form = $this->factory->create($this->formType, 'test');
     $form->submit('');
     $this->assertEquals('test', $form->getData());
 }