Replaces reproj image.tests.js and tile.tests.js

Transforms the old rendering tests for
ReprojImage and ReprojTile to the new
rendering test approach.

rendering/cases/reproj-image/main.js

@@ -0,0 +1,29 @@
+import Map from '../../../src/ol/Map.js';
+import View from '../../../src/ol/View.js';
+import Static from '../../../src/ol/source/ImageStatic.js';
+import {
+  get as getProjection,
+  transformExtent
+} from '../../../src/ol/proj';
+import ImageLayer from '../../../src/ol/layer/Image.js';
+
+const source = new Static({
+  url: '/data/tiles/osm/5/5/12.png',
+  imageExtent: transformExtent([-123, 37, -122, 38], 'EPSG:4326', 'EPSG:3857'),
+  projection: getProjection('EPSG:3857')
+});
+
+new Map({
+  pixelRatio: 1,
+  target: 'map',
+  layers: [new ImageLayer({
+    source: source
+  })],
+  view: new View({
+    center: [-122.416667, 37.783333],
+    zoom: 8,
+    projection: 'EPSG:4326'
+  })
+});
+
+render();