Organize tests

test/rendering/cases/zoomify-zdirection/main.js

@@ -0,0 +1,25 @@
+import Map from '../../../../src/ol/Map.js';
+import TileLayer from '../../../../src/ol/layer/Tile.js';
+import View from '../../../../src/ol/View.js';
+import Zoomify from '../../../../src/ol/source/Zoomify.js';
+
+const layer = new TileLayer({
+  source: new Zoomify({
+    url: '/data/tiles/zoomify/',
+    size: [200, 200],
+    tileSize: 100,
+    zDirection: -1,
+  }),
+});
+
+new Map({
+  layers: [layer],
+  target: 'map',
+  view: new View({
+    resolutions: [2, 1],
+    center: [100, -100],
+    zoom: 0.4,
+  }),
+});
+
+render();