public function testDecreaseVerbosityLevel() { $this->if($script = new mock\script(uniqid()))->then->object($script->DecreaseVerbosityLevel())->isIdenticalTo($script)->integer($script->getVerbosityLevel())->isZero()->if($script->increaseVerbosityLevel())->then->object($script->DecreaseVerbosityLevel())->isIdenticalTo($script)->integer($script->getVerbosityLevel())->isZero()->object($script->DecreaseVerbosityLevel())->isIdenticalTo($script)->integer($script->getVerbosityLevel())->isZero(); }