diff --git a/tests/test_flagController.py b/tests/test_flagController.py
index 11a844e..2c18ebf 100644
--- a/tests/test_flagController.py
+++ b/tests/test_flagController.py
@@ -1,3 +1,4 @@
+import os
 import pytest
 from unittest.mock import patch, MagicMock
 from twinTrim.flagController import handleAllFlag
@@ -29,7 +30,7 @@ def test_handle_all_flag_filtered_files(mock_progress_bar, mock_add_or_update_fi
     """Test handleAllFlag with files that pass the filter."""
     # Simulate a directory with 3 files
     mock_os_walk.return_value = [
-        ('/path/to/files', [], ['file1.txt', 'file2.txt', 'file3.txt'])
+        (os.path.normpath('/path/to/files'), [], ['file1.txt', 'file2.txt', 'file3.txt'])
     ]
     
     # Mock file_filter to filter out some files
@@ -40,10 +41,13 @@ def test_handle_all_flag_filtered_files(mock_progress_bar, mock_add_or_update_fi
     mock_progress_bar.return_value.__enter__.return_value = MagicMock()
 
     # Call the function
-    handleAllFlag('/path/to/files', mock_file_filter, 'yellow', 'white')
-
+    handleAllFlag(os.path.normpath('/path/to/files'), mock_file_filter, 'yellow', 'white')
+    
+    # Normalizing the expected file path to handle platform-specific slashes (Windows != \\)
+    expected_path = os.path.normpath('/path/to/files/file2.txt')
+    
     # Assertions
-    mock_add_or_update_file.assert_called_once_with('/path/to/files/file2.txt')  # Only file2.txt should be processed
+    mock_add_or_update_file.assert_called_once_with(expected_path)  # Only file2.txt should be processed
     mock_progress_bar.assert_called_once()  # Progress bar should still be created
 
 
@@ -54,7 +58,7 @@ def test_handle_all_flag_success(mock_progress_bar, mock_add_or_update_file, moc
     """Test handleAllFlag successful execution."""
     # Simulate a directory with 3 files
     mock_os_walk.return_value = [
-        ('/path/to/files', [], ['file1.txt', 'file2.txt', 'file3.txt'])
+        (os.path.normpath('/path/to/files'), [], ['file1.txt', 'file2.txt', 'file3.txt'])
     ]
     
     # Mock file_filter to allow all files
@@ -65,7 +69,7 @@ def test_handle_all_flag_success(mock_progress_bar, mock_add_or_update_file, moc
     mock_progress_bar.return_value.__enter__.return_value = MagicMock()
 
     # Call the function
-    handleAllFlag('/path/to/files', mock_file_filter, 'yellow', 'white')
+    handleAllFlag(os.path.normpath('/path/to/files'), mock_file_filter, 'yellow', 'white')
 
     # Assertions
     assert mock_add_or_update_file.call_count == 3  # All 3 files should be processed