UserAgentParser\Model\OperatingSystem::getVersion PHP Method

    public function getVersion()
    {
        return $this->version;
    }

 public function testToArray()
 {
     $os = new OperatingSystem();
     $this->assertEquals(['name' => null, 'version' => $os->getVersion()->toArray()], $os->toArray());
     $os->setName('Linux');
     $this->assertEquals(['name' => 'Linux', 'version' => $os->getVersion()->toArray()], $os->toArray());
 }