Busted this using namespace in hacklang

php

<?hh //strict
namespace HackUnit\Runner;

class Options
{
    protected ?string $testPath;

    public function setTestPath(string $testPath): this
    {
        $this->testPath = $testPath;
        return $this;
    }

    public function getTestPath(): ?string
    {
        return $this->testPath;
    }
}