unit testing failed

src/test/java/dotsandboxes/DotsAndBoxesGridTest.java

@@ -28,4 +28,31 @@ public class DotsAndBoxesGridTest {
     }
 
     // FIXME: You need to write tests for the two known bugs in the code.
+    @Test
+    public void checkforBoxComplete() {
+        logger.info("Check wheather the box is complete is wrong or not");
+        int x = 1;
+        int y = 1;
+        int p = 1;
+        DotsAndBoxesGrid z = new DotsAndBoxesGrid(x, y, p);
+
+        assertFalse(z.boxComplete(x, y));
+
+    }
+
+    @Test
+    public void testExistingLine() {
+        logger.info("testing exception is thrown when line exists");
+        int x = 2;
+        int y = 3;
+        int p = 2;
+        int w = 12;
+        int h = 3;
+
+        DotsAndBoxesGrid z = new DotsAndBoxesGrid(w, h, p);
+
+        z.drawHorizontal(x, y, p);
+
+        assertThrows(IllegalStateException.class, () -> z.drawHorizontal(x, y, p), "The line exists");
+    }
 }