add negative for point class inaquality

tests/unit/point-test.js

@@ -3,12 +3,20 @@ import Point from 'papermerge/utils/point';
 
 
 module('Unit | Point', function () {
-  test('basic', function (assert) {
+  test('basic equality positive', function (assert) {
     let p1 = new Point(1, 1), p2 = new Point(1, 1);
 
     assert.true(
       p1.isEqual(p2)
     );
   });
+
+  test('basic equality negative', function (assert) {
+    let p1 = new Point(1, 1), p2 = new Point(1, 2);
+
+    assert.false(
+      p1.isEqual(p2)
+    );
+  });
 });