diff --git a/tests/_img/failures/window_15_fail_electrode.bmp b/tests/_img/failures/window_15_fail_electrode.bmp
new file mode 100644
index 0000000..daf5513
Binary files /dev/null and b/tests/_img/failures/window_15_fail_electrode.bmp differ
diff --git a/tests/_img/failures/window_19_fail_model.bmp b/tests/_img/failures/window_19_fail_model.bmp
new file mode 100644
index 0000000..3c2b7fe
Binary files /dev/null and b/tests/_img/failures/window_19_fail_model.bmp differ
diff --git a/tests/_models/patchcore_model_left_hand_side.pth b/tests/_models/patchcore_model_left_hand_side.pth
new file mode 100644
index 0000000..e19f6ef
Binary files /dev/null and b/tests/_models/patchcore_model_left_hand_side.pth differ
diff --git a/tests/_models/patchcore_model_right_hand_side.pth b/tests/_models/patchcore_model_right_hand_side.pth
new file mode 100644
index 0000000..c2cade9
Binary files /dev/null and b/tests/_models/patchcore_model_right_hand_side.pth differ
diff --git a/tests/_results/window_19_fail_model.csv b/tests/_results/window_19_fail_model.csv
new file mode 100644
index 0000000..6d73f41
--- /dev/null
+++ b/tests/_results/window_19_fail_model.csv
@@ -0,0 +1 @@
+1177,318;804,803;947509,0;876,575;808,853;709020,9;952,191;804,781;766305,3;944,223;792,829;748607,2;838,797;804,902;675148,9;1203,187;792,829;953921,4;0;0
diff --git a/tests/_results/window_19_fail_model_Heatmap.png b/tests/_results/window_19_fail_model_Heatmap.png
new file mode 100644
index 0000000..6b4f430
Binary files /dev/null and b/tests/_results/window_19_fail_model_Heatmap.png differ
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..a690261
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,62 @@
+import os
+import shutil
+from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+
+from dopt_sensor_anomalies.constants import MODEL_FOLDER_NAME
+
+
+@pytest.fixture(scope="session", autouse=True)
+def setup_temp_dir(tmp_path_factory):
+    tmp_dir = tmp_path_factory.mktemp("root")
+    folder_structure = "lib/folder"
+    pth = tmp_dir / folder_structure
+    pth.mkdir(parents=True, exist_ok=True)
+    # models
+    pth_models = tmp_dir / MODEL_FOLDER_NAME
+    pth_models.mkdir(parents=True, exist_ok=True)
+    _root_imgs = (Path(__file__).parent / "_models").glob("*.pth")
+    for model in _root_imgs:
+        dst = pth_models / model.name
+        shutil.copy(model, dst)
+    # images
+    pth_img = tmp_dir / "images"
+    pth_img.mkdir(parents=True, exist_ok=True)
+    _root_imgs = (Path(__file__).parent / "_img").glob("**/*.bmp")
+    for img in _root_imgs:
+        dst = pth_img / img.name
+        shutil.copy(img, dst)
+
+    with patch("dopt_sensor_anomalies._find_paths.LIB_ROOT_PATH", pth):
+        yield tmp_dir
+
+
+@pytest.fixture(scope="session", autouse=True)
+def results_folder(setup_temp_dir) -> Path:
+    if os.getenv("DOPT_WRITE_RESULTS", False):
+        results_base = Path(__file__).parent
+    else:
+        results_base = setup_temp_dir
+    results = results_base / "_results"
+    if not results.exists():
+        results.mkdir()
+
+    return results
+
+
+@pytest.fixture(scope="session")
+def path_img_with_failure_ElectrodeCount(setup_temp_dir) -> Path:
+    filename = "window_15_fail_electrode.bmp"
+    pth_img = setup_temp_dir / f"images/{filename}"
+    assert pth_img.exists(), "failure image not existing"
+    return pth_img
+
+
+@pytest.fixture(scope="session")
+def path_img_with_failure_TrainedModel(setup_temp_dir) -> Path:
+    filename = "window_19_fail_model.bmp"
+    pth_img = setup_temp_dir / f"images/{filename}"
+    assert pth_img.exists(), "failure image not existing"
+    return pth_img
diff --git a/tests/test_detection.py b/tests/test_detection.py
index 338a3ba..df0873c 100644
--- a/tests/test_detection.py
+++ b/tests/test_detection.py
@@ -1,10 +1,14 @@
+import shutil
 from pathlib import Path
+from unittest.mock import patch
 
 import numpy as np
 import pytest
 
+import dopt_sensor_anomalies._find_paths
 import dopt_sensor_anomalies.detection as detect
 import dopt_sensor_anomalies.types as t
+from dopt_sensor_anomalies import constants
 
 
 @pytest.fixture(scope="module")
@@ -84,3 +88,40 @@ def test_measure_length(single_img_path):
     assert 235 < img_right.shape[0] < 260
     assert 910 < img_right.shape[1] < 960
     assert img_right.shape[2] == 3
+
+
+@pytest.mark.new
+@patch("dopt_sensor_anomalies._find_paths.STOP_FOLDER_NAME", "lib")
+def test_isolated_pipeline(results_folder, path_img_with_failure_TrainedModel):
+    pixels_per_metric_X: float = 0.251
+    pixels_per_metric_Y: float = 0.251
+    MODEL_FOLDER = dopt_sensor_anomalies._find_paths.get_model_folder()
+    assert MODEL_FOLDER.exists(), "model folder not existing"
+    DETECTION_MODELS = dopt_sensor_anomalies._find_paths.get_detection_models(MODEL_FOLDER)
+    assert DETECTION_MODELS["left"].exists()
+    assert DETECTION_MODELS["right"].exists()
+    data_csv, sensor_images = detect.measure_length(
+        path_img_with_failure_TrainedModel,
+        pixels_per_metric_X,
+        pixels_per_metric_Y,
+    )
+    print(">>>>>>> Data: ", data_csv)
+    # measured sizes
+    assert len(data_csv) == 18
+    assert sensor_images["left"] is not None
+    assert sensor_images["right"] is not None
+    detect.anomaly_detection(
+        file_path=path_img_with_failure_TrainedModel,
+        detection_models=DETECTION_MODELS,
+        data_csv=data_csv,
+        sensor_images=sensor_images,
+    )
+    # check files for existence
+    root_img = path_img_with_failure_TrainedModel.parent
+    file_stem = path_img_with_failure_TrainedModel.stem
+    csv_file = root_img / f"{file_stem}.csv"
+    heatmap_file = root_img / f"{file_stem}{constants.HEATMAP_FILENAME_SUFFIX}.png"
+    assert csv_file.exists()
+    assert heatmap_file.exists()
+    shutil.copy(csv_file, (results_folder / csv_file.name))
+    shutil.copy(heatmap_file, (results_folder / heatmap_file.name))
diff --git a/tests/test_find_paths.py b/tests/test_find_paths.py
index 696cd73..3a6d785 100644
--- a/tests/test_find_paths.py
+++ b/tests/test_find_paths.py
@@ -5,16 +5,23 @@ import pytest
 
 from dopt_sensor_anomalies import _find_paths
 
+# @pytest.fixture(scope="session", autouse=True)
+# def setup_temp_dir(tmp_path_factory):
+#     tmp_dir = tmp_path_factory.mktemp("root")
+#     folder_structure = "lib/folder"
+#     pth = tmp_dir / folder_structure
+#     pth.mkdir(parents=True, exist_ok=True)
+#     # models
+#     folder_models = "lib/models"
+#     pth_models = tmp_dir / folder_models
+#     pth_models.mkdir(parents=True, exist_ok=True)
+#     _root_models = (Path(__file__).parent / "_models").glob("*.pth")
+#     for model in _root_models:
+#         dst = pth_models / model.name
+#         shutil.copy(model, dst)
 
-@pytest.fixture(scope="module", autouse=True)
-def setup_temp_dir(tmp_path_factory):
-    tmp_dir = tmp_path_factory.mktemp("root")
-    folder_structure = "lib/folder"
-    pth = tmp_dir / folder_structure
-    pth.mkdir(parents=True, exist_ok=True)
-
-    with patch("dopt_sensor_anomalies._find_paths.LIB_ROOT_PATH", pth):
-        yield
+#     with patch("dopt_sensor_anomalies._find_paths.LIB_ROOT_PATH", pth):
+#         yield
 
 
 @pytest.fixture()