diff --git a/.github/workflows/run_unittests.yml b/.github/workflows/run_unittests.yml
index 27581a8..0631403 100644
--- a/.github/workflows/run_unittests.yml
+++ b/.github/workflows/run_unittests.yml
@@ -23,5 +23,7 @@ jobs:
     - name: Set PYTHONPATH
       run: echo "PYTHONPATH=$PYTHONPATH:$(pwd)" >> $GITHUB_ENV
     - name: Run tests
+      # GOAL: python -m unittest discover -s . -p 'test*.py' -> Problem not fiinding setup file
       run: |
-        python -m unittest discover unittests
\ No newline at end of file
+        python -m unittest discover -s file_manager/unittests
+        python -m unittest discover -s MetaDataEditor/unittests
\ No newline at end of file
diff --git a/MetaDataEditor/unittests/test_image_metadata_handler.py b/MetaDataEditor/unittests/test_image_metadata_handler.py
index 7e7e309..0d1792d 100644
--- a/MetaDataEditor/unittests/test_image_metadata_handler.py
+++ b/MetaDataEditor/unittests/test_image_metadata_handler.py
@@ -12,7 +12,7 @@ def setUpClass(cls):
         cls.file_format = "JPEG"
 
     def setUp(self):
-        self.mock_open = patch("image_metadata_handler.Image.open").start()
+        self.mock_open = patch("PIL.Image.open").start()
         self.mock_image = self.create_mock_image()
         self.mock_open.return_value = self.mock_image
 
diff --git a/file_manager/unittests/__init__.py b/file_manager/unittests/__init__.py
deleted file mode 100644
index e69de29..0000000