public function testAddErrorKeepsFieldValidationErrorsIfFieldIsHidden()
{
$field = $this->createMockField('firstName');
$field->expects($this->any())->method('isHidden')->will($this->returnValue(true));
$field->expects($this->never())->method('addError');
$group = new FieldGroup('author');
$group->add($field);
$group->addError('Message', new PropertyPath('fields[firstName].data'), FieldGroup::FIELD_ERROR);
$this->assertEquals(array('Message'), $group->getErrors());
}
