public void GetIntersectionNode_True()
{
var headA = new ListNode(1);
var node9 = new ListNode(9);
var node1 = new ListNode(1);
var node2 = new ListNode(2);
var node4 = new ListNode(4);
headA.next = node9;
node9.next = node1;
node1.next = node2;
node2.next = node4;
var headB = new ListNode(3)
{
next = node2
};
var output = _linkedListService.GetIntersectionNode(headA, headB);
Assert.Equal(output.val, node2.val);
}