protected function extendEmptyCasesFromSuites(array $cases, TestSuite $suite)
    {
        $class = $suite->name;
        $file = $suite->file;

        /** @var TestCase $case */
        foreach ($cases as $case) {
            if (empty($case->class)) {
                $case->class = $class;
            }
            if (empty($case->file)) {
                $case->file = $file;
            }
        }
    }