Fixed bug for Queen with negative values

src/main/java/Game/ChessObj/ChessFigure.java

@@ -70,7 +70,7 @@ public class ChessFigure {
                     return true;
                 break;
             case QUEEN:
-                if ((dx == dy) || (dx == 0 ^ dy == 0))
+                if ((Math.abs(dx) == Math.abs(dy)) || (dx == 0 ^ dy == 0))
                     return true;
                 break;
             case CASTLE:

src/test/java/Game/ChessObj/ChessFigureTest.java

@@ -68,7 +68,7 @@ class ChessFigureTest {
                             }
                             break;
                         case QUEEN:
-                            if ((x == y) || (x == 0 ^ y == 0)) {
+                            if (Math.abs(x) == Math.abs(y) || (x == 0 ^ y == 0)) {
                                 assertTrue(figure.isRelativeMoveValid(x, y));
                                 continue;
                             }