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-tile-4326/main.js

@@ -0,0 +1,36 @@
+import Map from '../../../src/ol/Map.js';
+import View from '../../../src/ol/View.js';
+import XYZ from '../../../src/ol/source/XYZ.js';
+import TileLayer from '../../../src/ol/layer/Tile.js';
+import {toLonLat, get} from '../../../src/ol/proj.js';
+import {createXYZ, createForProjection} from '../../../src/ol/tilegrid.js';
+
+const tileGrid = createXYZ();
+const extent = tileGrid.getTileCoordExtent([5, 5, 12]);
+const center = [(extent[0] + extent[2]) / 2, extent[1]];
+
+const source = new XYZ({
+  transition: 0,
+  minZoom: 5,
+  maxZoom: 5,
+  url: '/data/tiles/osm/{z}/{x}/{y}.png'
+});
+
+source.setTileGridForProjection(get('EPSG:4326'), createForProjection(get('EPSG:4326'), 7, [64, 64]));
+
+new Map({
+  pixelRatio: 1,
+  target: 'map',
+  layers: [
+    new TileLayer({
+      source: source
+    })
+  ],
+  view: new View({
+    projection: 'EPSG:4326',
+    center: toLonLat(center),
+    zoom: 5
+  })
+});
+
+render();