Removed reflexive edges from invalidPosPair; added testAddEdgeRefl():...
Removed reflexive edges from invalidPosPair; added testAddEdgeRefl(): Maze.addEdge() is not supposed to throw an Execption for reflexive edges. Instead, hasEdge will return true for v==w, preventing the edge from being added.
"Aufgabe 3.5 Checkt die Implementierung von hasEdge: 6/6 Checkt die Implementierung von addEdge: 0/4 java.lang.AssertionError: addEdge sollte nicht testen, ob Kanten bereits enthalten oder reflexiv sind. did not expect to find [false] but found [true] Total points for Aufgabe 3.5: 6/10"