@Test
	public void getNeighbourhoodTest(){
		VertexSet set = new VertexSet();
		set.addVertex(new City(2, 213, 150, Owner.Neutral));
		set.addVertex(new City(3, 387, 150, Owner.Neutral));
		set.addVertex(new City(6, 300, 300, Owner.Rom));
		
		
		City testCity = city_graph.getCity(1);
		assertTrue(city_graph.getNeighbourhood(testCity).equals(set));
	}