Notebook unit testing

Notion task: https://www.notion.so/qim-dtu/Unit-test-for-notebooks-184bab83b2f980df8b99ebb8c4386c83

• Updated the notebooks to comply with the refactoring changes.
• Implemented unit tests for all notebooks (except annotation_tool.ipynb, segmentation_pipeline.ipynb, and Unet.ipynb). The unit tests are located in qim3d/tests/notebooks/test_notebooks.py.

qim3d/tests/notebooks/test_notebooks.py

@@ -4,9 +4,9 @@ def test_blob_detection_notebook():
     with testbook('./docs/notebooks/blob_detection.ipynb', execute=True) as tb:
         pass
 
-# def test_filters_notebook():
-#     with testbook('./docs/notebooks/filters.ipynb', execute=True) as tb:
-#         pass
+def test_filters_notebook():
+    with testbook('./docs/notebooks/filters.ipynb', execute=True) as tb:
+        pass
 
 def test_local_thickness_notebook():
     with testbook('./docs/notebooks/local_thickness.ipynb', execute=True) as tb: