public void DFSFunc_NotEqualGraphs_ReturnsAllGraphsNodes()
        {
            //Graph init

            var graph = new Graph();

            var nodeOne   = new Node("One");
            var nodeTwo   = new Node("Two");
            var nodeThree = new Node("Three");
            var nodeFour  = new Node("Four");
            var nodeFive  = new Node("Five");
            var nodeSix   = new Node("Six"); //Extra node

            graph.AddConnection(new Edge(nodeOne, nodeTwo));
            graph.AddConnection(new Edge(nodeOne, nodeThree));
            graph.AddConnection(new Edge(nodeTwo, nodeThree));
            graph.AddConnection(new Edge(nodeTwo, nodeFour));
            graph.AddConnection(new Edge(nodeThree, nodeFive));
            graph.AddConnection(new Edge(nodeFour, nodeFive));

            //Check collection init

            var graphsNodes = new HashSet <Node>();

            graphsNodes.Add(nodeOne);
            graphsNodes.Add(nodeTwo);
            graphsNodes.Add(nodeThree);
            graphsNodes.Add(nodeFour);
            graphsNodes.Add(nodeFive);
            graphsNodes.Add(nodeSix); //Adding extra node

            //DFS check

            HashSet <Node> dfsResult = DFS.DFSFunc(graph, nodeOne);

            //Assert

            Assert.AreEqual(false, HashSet <Node> .CreateSetComparer().Equals(dfsResult, graphsNodes));
        }