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