Fhaculty\Graph\Tests\WalkTest::testWalkInvalidByDestroyingEdge PHP Méthode

    public function testWalkInvalidByDestroyingEdge(Walk $walk)
    {
        // destroy first edge found
        foreach ($walk->getEdges() as $edge) {
            $edge->destroy();
            break;
        }
        $this->assertFalse($walk->isValid());
    }