Kraken\_Unit\Throwable\ThrowableProxyTest::testApiGetPrevious_ReturnsNull_WhenPreviousDoesNotExist PHP 메소드

    public function testApiGetPrevious_ReturnsNull_WhenPreviousDoesNotExist()
    {
        $ex = new Exception('Exception');
        $proxy = $this->createThrowableProxy($ex);
        $this->assertSame(null, $proxy->getPrevious());
    }