protected function getProgress(): string
    {
        return sprintf(
            ' %' . $this->numTestsWidth . 'd / %' . $this->numTestsWidth . 'd (%3s%%)',
            $this->casesProcessed,
            $this->totalCases,
            floor(($this->totalCases ? $this->casesProcessed / $this->totalCases : 0) * 100)
        );
    }