Organize tests

test/browser/spec/ol/control/zoom.test.js

@@ -0,0 +1,10 @@
+import Zoom from '../../../../../src/ol/control/Zoom.js';
+
+describe('ol.control.Zoom', function () {
+  describe('constructor', function () {
+    it('can be constructed without arguments', function () {
+      const instance = new Zoom();
+      expect(instance).to.be.an(Zoom);
+    });
+  });
+});