public function test_isStateUnset_shouldReturnActualState()
{
// Arrange
require_once './Modules/TestQuestionPool/classes/class.assAnswerBinaryState.php';
$instance = new ASS_AnswerBinaryState();
$expected = 1;
// Act
$instance->setState($expected);
$actual = !$instance->isStateUnset();
// Assert
$this->assertEquals($expected, $actual);
}