public function getCases(): array
    {
        $cases = [];
        foreach ($this->readers as $reader) {
            foreach ($reader->getSuites() as $suite) {
                $cases = array_merge($cases, $suite->cases);
                foreach ($suite->suites as $nested) {
                    $this->extendEmptyCasesFromSuites($nested->cases, $suite);
                    $cases = array_merge($cases, $nested->cases);
                }
            }
        }

        return $cases;
    }