test: bishop invalid step 3

fh.fd.ci.client/src/main/java/de/fd/fh/FigureBishop.java

@@ -10,7 +10,8 @@ public class FigureBishop extends Figure
             return false;
         }
 
-        if (dst - src == 1 || dst - src == 6) // 1 Feld nach rechts
+        if (dst - src == 1 || dst - src == 6
+            || dst - src == 10) // 1 Feld nach rechts
         {
             return false;
         }

fh.fd.ci.client/src/test/java/de/fd/fh/FigureBishopTest.java

@@ -40,4 +40,12 @@ class FigureBishopTest
 
         assertFalse(f.moveAllowed(src, dst, field));
     }
+
+    @Test
+    void checkValidMovesBishopRight3()
+    {
+        Figure f = new FigureBishop();
+
+        assertFalse(f.moveAllowed(45, 55, field));
+    }
 }