addCoversForDocBlockInsideRegistry example

$covers = $sutFqcn;
        if (!\is_array($sutFqcn)) {
            $covers = [$sutFqcn];
            while ($parent = get_parent_class($sutFqcn)) {
                $covers[] = $parent;
                $sutFqcn = $parent;
            }
        }

        if (class_exists(Registry::class)) {
            $this->addCoversForDocBlockInsideRegistry($test, $covers);

            return;
        }

        $this->addCoversForClassToAnnotationCache($test, $covers);
    }

    private function addCoversForClassToAnnotationCache(Test $test, array $covers): void
    {
        $r = new \ReflectionProperty(TestUtil::class, 'annotationCache');
        $r->setAccessible(true);