diff --git a/src/opengeodeweb_viewer/config.py b/src/opengeodeweb_viewer/config.py
index 76fc3ef..2f8cdf5 100644
--- a/src/opengeodeweb_viewer/config.py
+++ b/src/opengeodeweb_viewer/config.py
@@ -1,4 +1,6 @@
 import os
+import tempfile
+from shutil import copyfile, copytree
 from sys import platform
 
 
@@ -26,7 +28,49 @@ def dev_config():
 
 def test_config(path):
     default_config()
-    print(f"{os.path.dirname(__file__)=}", flush=True)
-    os.environ["DATA_FOLDER_PATH"] = os.path.join(path, "data")
 
-    print(f"{os.environ.get('DATA_FOLDER_PATH')=}", flush=True)
+    tmp_data_root = tempfile.mkdtemp(prefix="ogw_test_data_")
+    os.environ["DATA_FOLDER_PATH"] = tmp_data_root
+
+    src_data = os.path.join(path, "data")
+    if not os.path.isdir(src_data):
+        raise FileNotFoundError(f"Test data folder not found: {src_data}")
+
+    test_ids = ["123456789", "12345678"]
+    valid_exts = {".vtp", ".vti", ".vtu", ".vtm"}
+
+    project_uuid = "test-project-uuid"
+    data_uuid = "test-data-uuid"
+    uploads_directory = os.path.join(tmp_data_root, project_uuid, "uploads")
+    structure_directory = os.path.join(tmp_data_root, project_uuid, data_uuid)
+
+    for directory in [
+        *test_ids,
+        uploads_directory,
+        structure_directory,
+    ]:  # create directories for tests
+        os.makedirs(
+            (
+                os.path.join(tmp_data_root, directory)
+                if isinstance(directory, str)
+                else directory
+            ),
+            exist_ok=True,
+        )
+
+    for root, directories, files in os.walk(src_data):
+        for directory in directories:
+            dst = os.path.join(tmp_data_root, test_ids[0], directory)
+            copytree(os.path.join(root, directory), dst, dirs_exist_ok=True)
+
+        for file in files:
+            if os.path.splitext(file)[1].lower() not in valid_exts:
+                continue
+
+            src = os.path.join(root, file)
+            for test_id in test_ids:
+                copyfile(src, os.path.join(tmp_data_root, test_id, file))
+            copyfile(src, os.path.join(structure_directory, file))
+            copyfile(src, os.path.join(uploads_directory, file))
+
+    print(f"\nDATA_FOLDER_PATH set to: {tmp_data_root}", flush=True)
diff --git a/src/opengeodeweb_viewer/object/object_methods.py b/src/opengeodeweb_viewer/object/object_methods.py
index 2a55c42..769e2dc 100644
--- a/src/opengeodeweb_viewer/object/object_methods.py
+++ b/src/opengeodeweb_viewer/object/object_methods.py
@@ -16,9 +16,7 @@ def __init__(self):
     def registerObject(self, id, file_name, reader, filter, mapper):
         actor = vtk.vtkActor()
         self.register_object(id, reader, filter, actor, mapper, {})
-
-        reader.SetFileName(os.path.join(self.DATA_FOLDER_PATH, file_name))
-
+        reader.SetFileName(os.path.join(self.DATA_FOLDER_PATH, id, file_name))
         actor.SetMapper(mapper)
         mapper.SetColorModeToMapScalars()
         mapper.SetResolveCoincidentTopologyLineOffsetParameters(1, -0.1)
@@ -60,7 +58,7 @@ def applyTextures(self, id, textures):
             new_texture = vtk.vtkTexture()
             image_reader = vtk.vtkXMLImageDataReader()
             image_reader.SetFileName(
-                os.path.join(self.DATA_FOLDER_PATH, texture_file_name)
+                os.path.join(self.DATA_FOLDER_PATH, id, texture_file_name)
             )
 
             shader_texture_name = f"VTK_TEXTURE_UNIT_{index}"
diff --git a/src/tests/conftest.py b/src/tests/conftest.py
index 3a77c6c..e9f22e1 100644
--- a/src/tests/conftest.py
+++ b/src/tests/conftest.py
@@ -6,6 +6,7 @@
 import vtk
 import os
 from opengeodeweb_viewer import config
+import shutil
 
 
 class ServerMonitor:
@@ -145,8 +146,6 @@ class Starter(ProcessStarter):
 def server(xprocess):
     name, Starter, Monitor = HELPER.get_xprocess_args()
     os.environ["PYTHON_ENV"] = "test"
-    config.test_config(os.path.dirname(__file__))
-    print("server", os.environ.get("DATA_FOLDER_PATH"), flush=True)
     _, log = xprocess.ensure(name, Starter)
     print(log)
     monitor = Monitor(log)
@@ -155,3 +154,14 @@ def server(xprocess):
     # clean up whole process tree afterwards
     xprocess.getinfo(name).terminate()
     monitor.print_log()
+
+
+@pytest.fixture(scope="session", autouse=True)
+def configure_test_environment():
+    base_path = os.path.dirname(__file__)
+    config.test_config(base_path)
+    yield
+    tmp_data_path = os.environ.get("DATA_FOLDER_PATH")
+    if tmp_data_path and "ogw_test_data_" in tmp_data_path:
+        shutil.rmtree(tmp_data_path, ignore_errors=True)
+        print(f"Cleaned up test data folder: {tmp_data_path}", flush=True)