diff --git a/test/test_store.py b/test/test_store.py
index c1146db..42191db 100644
--- a/test/test_store.py
+++ b/test/test_store.py
@@ -21,8 +21,11 @@
 
 import itertools
 import unittest
+from unittest.mock import patch
 import urllib.request
 
+import dask.array as da
+import numpy as np
 import pytest
 import requests
 import xarray as xr
@@ -49,8 +52,8 @@
 SERVER_URL = "http://localhost:8080"
 SERVER_ENDPOINT_URL = f"{SERVER_URL}/s3"
 CDSE_CREDENTIALS = {
-    "key": "O0M0CUQIDQO9TDZ4D8NR",
-    "secret": "qPUyXs9G6j8on6MY5KPhQNHuA5uZTqxEscrbBCGx",
+    "key": "xxx",
+    "secret": "xxx",
 }
 
 
@@ -694,7 +697,67 @@ def test_open_data_stack_mode_no_items_found(self):
         self.assertEqual(msg, str(cm.output[-1]))
 
     @pytest.mark.vcr()
-    def test_open_data_stack_mode_cdse_sen2(self):
+    @patch("rioxarray.open_rasterio")
+    def test_open_data_stack_mode_cdse_sen2(self, mock_rioxarray_open):
+        mock_data = {
+            "band_1": (
+                ("y", "x"),
+                da.ones((10980, 10980), chunks=(1024, 1024), dtype=np.uint16),
+            ),
+        }
+        spatial_ref = xr.DataArray(
+            np.array(0),
+            attrs={
+                "crs_wkt": (
+                    'PROJCS["WGS 84 / UTM zone 35N",GEOGCS["WGS 84",DATUM["WGS_1984",'
+                    'SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],'
+                    'AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG"'
+                    ',"8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG",'
+                    '"9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_'
+                    'Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central'
+                    '_meridian",27],PARAMETER["scale_factor",0.9996],PARAMETER["false'
+                    '_easting",500000],PARAMETER["false_northing",0],UNIT["metre"'
+                    ',1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing"'
+                    ',NORTH],AUTHORITY["EPSG","32635"]]'
+                ),
+                "semi_major_axis": 6378137.0,
+                "semi_minor_axis": 6356752.314245179,
+                "inverse_flattening": 298.257223563,
+                "reference_ellipsoid_name": "WGS 84",
+                "longitude_of_prime_meridian": 0.0,
+                "prime_meridian_name": "Greenwich",
+                "geographic_crs_name": "WGS 84",
+                "horizontal_datum_name": "World Geodetic System 1984",
+                "projected_crs_name": "WGS 84 / UTM zone 35N",
+                "grid_mapping_name": "transverse_mercator",
+                "latitude_of_projection_origin": 0.0,
+                "longitude_of_central_meridian": 27.0,
+                "false_easting": 500000.0,
+                "false_northing": 0.0,
+                "scale_factor_at_central_meridian": 0.9996,
+                "spatial_ref": (
+                    'PROJCS["WGS 84 / UTM zone 35N",GEOGCS["WGS 84",DATUM["WGS_1984",'
+                    'SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]]'
+                    ',AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG"'
+                    ',"8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG",'
+                    '"9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_'
+                    'Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_'
+                    'meridian",27],PARAMETER["scale_factor",0.9996],PARAMETER["false_'
+                    'easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,'
+                    'AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",'
+                    'NORTH],AUTHORITY["EPSG","32635"]]'
+                ),
+                "GeoTransform": "600000.0 10.0 0.0 5900040.0 0.0 -10.0",
+            },
+        )
+        coords = {
+            "x": np.arange(600005.0, 709796.0, 10.0),
+            "y": np.arange(5900035.0, 5790244.0, -10.0),
+            "spatial_ref": spatial_ref,
+        }
+        mock_ds = xr.Dataset(mock_data, coords=coords)
+        mock_rioxarray_open.return_value = mock_ds
+
         store = new_data_store(
             DATA_STORE_ID_CDSE,
             key=CDSE_CREDENTIALS["key"],