diff --git a/src/Provider/Fetcher.js b/src/Provider/Fetcher.js
index f71f47030f..cc5dcaea55 100644
--- a/src/Provider/Fetcher.js
+++ b/src/Provider/Fetcher.js
@@ -11,6 +11,7 @@ function checkResponse(response) {
 }
 
 const arrayBuffer = (url, options = {}) => fetch(url, options).then((response) => {
+    console.warn('2-arrayBuffer.then');
     checkResponse(response);
     return response.arrayBuffer();
 });
@@ -136,9 +137,9 @@ export default {
      * @return {Promise<THREE.DataTexture>} Promise containing the DataTexture.
      */
     textureFloat(url, options = {}) {
-        console.warn('textureFloat');
+        console.warn('1-Fetcher.textureFloat', url);
         return arrayBuffer(url, options).then((buffer) => {
-            console.warn('arrayBuffer.then');
+            console.warn('3-arrayBuffer.then => buffer');
             const floatArray = new Float32Array(buffer);
             const texture = getTextureFloat(floatArray, options.isWebGL2);
             return texture;
diff --git a/test/unit/fetcher.js b/test/unit/fetcher.js
index e6044d340c..81c9f8e4bc 100644
--- a/test/unit/fetcher.js
+++ b/test/unit/fetcher.js
@@ -104,21 +104,21 @@ describe('Fetcher', function () {
         'LAYER=ELEVATION.ELEVATIONGRIDCOVERAGE.SRTM3&FORMAT=image/x-bil;bits=32' +
         '&SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&STYLE=normal&' +
         'TILEMATRIXSET=WGS84G&TILEMATRIX=3&TILEROW=2&TILECOL=8';
-        console.warn(url);
         it('should get a WebGl2 texture float', (done) => {
             Fetcher.textureFloat(url, networkOptions)
                 .then((texture) => {
-                    console.warn('texture');
+                    console.warn('4a-Fetcher.textureFloat.then => texture');
                     assert.ok(texture instanceof DataTexture);
                     assert.equal(texture.internalFormat, 'R32F');
                     assert.equal(texture.version, 1);
                     done();
                 })
                 .catch(done);
-        }).timeout(5000);
+        }).timeout(50000);
         it('should get a texture float (without WebGL2)', (done) => {
             Fetcher.textureFloat(url, { ...networkOptions, isWebGL2: false })
                 .then((texture) => {
+                    console.warn('4b-Fetcher.textureFloat.then => texture');
                     assert.ok(texture instanceof DataTexture);
                     assert.equal(texture.internalFormat, null);
                     done();