new tests for camp and street:

One test still fails in camp

tests/CampaignTest.java

@@ -51,4 +51,28 @@ public class CampaignTest {
         assertSame(campaign.getVehicles().get(0).getRoute(), r);
         assertSame(campaign.getVehicles().get(22).getRoute(), r);
     }
+
+    @Test
+    void arrivalFunctionsWorkFine() {
+        ArrayList<Vehicle> buses = new ArrayList<>();
+        buses.add(new Bus());
+        buses.add(new Bus());
+        buses.add(new Bus());
+        buses.add(new Bus());
+        Street s = new Street(500, 3, StreetNames.FOURTH_HIGHWAY3);
+        Route r = new Route(s);
+        for (Vehicle v : buses) {
+            ((Bus)v).setCampaign(campaign);
+            v.setCurrentStreet(s);
+            v.setRoute(r);
+        }
+        campaign = new Campaign(District.ALAZIZIYA, buses);
+        assertFalse(campaign.isDone());
+        assertEquals(campaign.getNumberOfArrivedBuses(), 0);
+        assertEquals(campaign.getArrivedVehicles().size(), 0);
+
+        campaign.getVehicles().get(0).arrive();//Vehicle notifies camp
+        assertEquals(campaign.getNumberOfArrivedBuses(), 1);
+        assertEquals(campaign.getArrivedVehicles().size(), 1);
+    }
 }

tests/StreetTest.java

@@ -46,4 +46,15 @@ class StreetTest {
         int cars = street.getVehicles().size();
         assertFalse(canTakeCars);
     }
+
+    @Test
+    void capacityPointReasonable() {
+        Vehicle v = new Bus();
+        street.addVehicle(v);
+        v.setCurrentStreet(street);
+        v.move(200);
+        //1 is full or crowded
+        assertTrue(street.capcityPoint(0, v.getCurrentLocation()) < 0.8);
+        assertTrue(street.capcityPoint(0, v.getCurrentLocation()) < 0.4);
+    }
 }