Update CampTest

First test is to check set/get
    and setVehicles(), getVehicles()
    check if they work correctly.
    The test is still not completed.

    Also, added setUp() which is run
    before every test case.

tests/CampaignTest.java

@@ -1,62 +1,31 @@
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertSame;
+
 public class CampaignTest {
 
-    private Campaign campaign = new Campaign(District.ALAZIZIYA,20);
+    private Campaign campaign;
 
-    @Test
-    void getHousingToDestRoute() {
+    @BeforeEach
+    void setUp() {
+        int numberOfBusses = 50;
+        campaign = new Campaign(District.ALAZIZIYA,
+                numberOfBusses);
     }
 
     @Test
-    void setHousingToDestRoute() {
-    }
-
-    @Test
-    void getDestToHousingRoute() {
-    }
-
-    @Test
-    void setDestToHousingRoute() {
-    }
-
-    @Test
-    void getHotelDistrict() {
-    }
-
-    @Test
-    void getTimeToLeaveToDest() {
-    }
-
-    @Test
-    void setTimeToLeaveToDest() {
-    }
-
-    @Test
-    void getTimeToLeaveToHousing() {
-    }
-
-    @Test
-    void setTimeToLeaveToHousing() {
-    }
-
-    @Test
-    void getNumberOfBusses() {
-    }
-
-    @Test
-    void getVehicles() {
-    }
-
-    @Test
-    void setVehicles() {
-    }
-
-    @Test
-    void generateBusses() {
-    }
-
-    @Test
-    void getUID() {
+    void AllSettersGettersWorkCorrcectly() {
+        Object[] oldVehicles = campaign.getVehicles();
+        assertArrayEquals(campaign.getVehicles(), oldVehicles);
+        Vehicle[] newVehicles = new Bus[150];
+        for (int i = 0; i < 150; i++) {
+            newVehicles[i] = new Bus(5);
+        }
+        campaign.setVehicles(newVehicles);
+        assertNotSame(oldVehicles, newVehicles);
+        assertSame(campaign.getVehicles(), newVehicles);
     }
 }