Fhaculty\Graph\Tests\WalkTest::testWalkCycleFromVerticesIncomplete PHP Method

    public function testWalkCycleFromVerticesIncomplete()
    {
        // 1 -- 2 -- 1
        $graph = new Graph();
        $v1 = $graph->createVertex(1);
        $v2 = $graph->createVertex(2);
        $e1 = $v1->createEdge($v2);
        $e2 = $v2->createEdge($v1);
        // should actually be [v1, v2, v1]
        Walk::factoryCycleFromVertices(array($v1, $v2));
    }