refactor tests

test/manual/Noise-test.ts

@@ -0,0 +1,45 @@
+import { assert } from 'chai';
+
+import { addStage, Konva, loadImage } from '../unit/utis';
+
+describe('Noise', function () {
+  // ======================================================
+  it('noise tween', function (done) {
+    var stage = addStage();
+
+    loadImage('darth-vader.jpg', (imageObj) => {
+      var layer = new Konva.Layer();
+      const darth = new Konva.Image({
+        x: 10,
+        y: 10,
+        image: imageObj,
+        draggable: true,
+      });
+
+      layer.add(darth);
+      stage.add(layer);
+
+      darth.cache();
+      darth.filters([Konva.Filters.Noise]);
+      darth.noise(1);
+      layer.draw();
+
+      var tween = new Konva.Tween({
+        node: darth,
+        duration: 5.0,
+        noise: 0,
+        easing: Konva.Easings.EaseInOut,
+      });
+
+      darth.on('mouseover', function () {
+        tween.play();
+      });
+
+      darth.on('mouseout', function () {
+        tween.reverse();
+      });
+
+      done();
+    });
+  });
+});