PopTest\File\FileTest::testOutput PHP Method

    public function testOutput()
    {
        if (file_exists(__DIR__ . '/../tmp/file.txt')) {
            unlink(__DIR__ . '/../tmp/file.txt');
        }
        $f = new File(__DIR__ . '/../tmp/file.txt');
        $f->write('123');
        $this->setExpectedException('Pop\\Http\\Exception');
        $f->output();
    }