diff --git a/test/unit/entwine.js b/test/unit/entwine.js
index d45d81cbcf..e3343f9ebc 100644
--- a/test/unit/entwine.js
+++ b/test/unit/entwine.js
@@ -6,13 +6,41 @@ import Coordinates from 'Core/Geographic/Coordinates';
 import EntwinePointTileSource from 'Source/EntwinePointTileSource';
 import EntwinePointTileLayer from 'Layer/EntwinePointTileLayer';
 import EntwinePointTileNode from 'Core/EntwinePointTileNode';
+import sinon from 'sinon';
+import Fetcher from 'Provider/Fetcher';
 import Renderer from './bootstrap';
 
+import ept from '../data/unitTest/entwine/ept.json';
+import eptHierarchy from '../data/unitTest/entwine/ept-hierarchy/0-0-0-0.json';
+
+const urlEpt = 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/pointclouds/entwine/ept.json';
+const urlEptHierarchy = 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/pointclouds/entwine/ept-hierarchy/0-0-0-0.json';
+
+const resources = {
+    [urlEpt]: ept,
+    [urlEptHierarchy]: eptHierarchy,
+};
+
 describe('Entwine Point Tile', function () {
-    const source = new EntwinePointTileSource({
-        // url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/pointclouds/entwine',
-        url: 'test/data/unitTest/entwine',
-        networkOptions: process.env.HTTPS_PROXY ? { agent: new HttpsProxyAgent(process.env.HTTPS_PROXY) } : {},
+    let source;
+    let stubFetcherJson;
+    let stubFetcherArrayBuf;
+
+    before(function () {
+        stubFetcherJson = sinon.stub(Fetcher, 'json')
+            .callsFake(url => Promise.resolve(JSON.parse(resources[url])));
+        stubFetcherArrayBuf = sinon.stub(Fetcher, 'arrayBuffer')
+            .callsFake(() => Promise.resolve(new ArrayBuffer(8).buffer));
+
+        source = new EntwinePointTileSource({
+            url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/pointclouds/entwine',
+            networkOptions: process.env.HTTPS_PROXY ? { agent: new HttpsProxyAgent(process.env.HTTPS_PROXY) } : {},
+        });
+    });
+
+    after(function () {
+        stubFetcherJson.restore();
+        stubFetcherArrayBuf.restore();
     });
 
     it('loads the EPT structure', (done) => {