Rover moved forward but coordinates doesn't match with the expected

src/main/java/cat/hack3/codingtests/marsrover/Coordinates.java

@@ -0,0 +1,34 @@
+package cat.hack3.codingtests.marsrover;
+
+public class Coordinates {
+    private final int latitude;
+    private final int longitude;
+
+    public static Coordinates of(int latitude, int longitude) {
+        return new Coordinates(latitude, longitude);
+    }
+
+    public Coordinates(int latitude, int longitude) {
+        this.latitude = latitude;
+        this.longitude = longitude;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Coordinates that = (Coordinates) o;
+
+        if (latitude != that.latitude) return false;
+        return longitude == that.longitude;
+    }
+
+    @Override
+    public String toString() {
+        return "Coordinates{" +
+                "latitude=" + latitude +
+                ", longitude=" + longitude +
+                '}';
+    }
+}

src/main/java/cat/hack3/codingtests/marsrover/MarsRover.java

@@ -11,7 +11,7 @@ public class MarsRover {
         this.longitudeStartingPoint = longitudeStartingPoint;
     }
 
-    public void moveForward() {
-
+    public Coordinates moveForward() {
+        return Coordinates.of(0, 0);
     }
 }

src/test/java/cat/hack3/codingtests/marsrover/MarsRoverTest.java

@@ -4,6 +4,7 @@ import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
 import static cat.hack3.codingtests.marsrover.MarsMap.Direction.SOUTH;
+import static org.testng.Assert.assertEquals;
 
 public class MarsRoverTest {
 
@@ -23,6 +24,7 @@ public class MarsRoverTest {
 
     @Test
     public void roverMakeItsFirstStep() {
-        rover.moveForward();
+        Coordinates currentPosition = rover.moveForward();
+        assertEquals(currentPosition, Coordinates.of(3, 3));
     }
 }