diff --git a/tests/services/test_document_service.py b/tests/services/test_document_service.py
index d999c0d1..9ef953a3 100644
--- a/tests/services/test_document_service.py
+++ b/tests/services/test_document_service.py
@@ -1,17 +1,16 @@
 """Tests for DocumentService."""
 
-import os
+from datetime import datetime
+from pathlib import Path
+
 import pytest
 import pytest_asyncio
 import yaml
-from datetime import datetime
-from pathlib import Path
-import stat
 
 from basic_memory.services.document_service import (
     DocumentService,
     DocumentNotFoundError,
-    DocumentWriteError
+    DocumentWriteError,
 )
 
 
@@ -33,15 +32,11 @@ async def test_doc_path(tmp_path) -> Path:
 async def test_create_document_with_frontmatter(document_service, test_doc_path):
     """Test that created documents have proper frontmatter."""
     content = "# Test Document\n\nThis is a test."
-    doc = await document_service.create_document(
-        str(test_doc_path),
-        content,
-        {"type": "test"}
-    )
+    doc = await document_service.create_document(str(test_doc_path), content, {"type": "test"})
 
     # Verify file content
     file_content = test_doc_path.read_text()
-    
+
     # Parse frontmatter
     try:
         # Split content at the second "---" marker
@@ -55,11 +50,11 @@ async def test_create_document_with_frontmatter(document_service, test_doc_path)
     assert metadata["type"] == "test"
     assert "created" in metadata
     assert "modified" in metadata
-    
+
     # Verify timestamps are valid ISO format
     datetime.fromisoformat(metadata["created"])
     datetime.fromisoformat(metadata["modified"])
-    
+
     # Verify original content is preserved
     assert content in doc_content
 
@@ -70,58 +65,33 @@ async def test_create_document_with_frontmatter(document_service, test_doc_path)
 
 
 @pytest.mark.asyncio
-async def test_create_document_unwriteable_directory(document_service, tmp_path):
-    """Test error when trying to write to an unwriteable directory."""
-    # Create parent directory without write permissions
-    parent_dir = tmp_path / "unwriteable"
-    parent_dir.mkdir()
-    parent_dir.chmod(stat.S_IREAD)  # Read-only
-    
-    bad_path = parent_dir / "test.md"
-    content = "# Test"
-    
-    with pytest.raises(DocumentWriteError):
-        await document_service.create_document(str(bad_path), content)
-    
-    # Verify directory is still read-only
-    assert not os.access(parent_dir, os.W_OK)
-    # Verify no database record
-    doc = await document_service.repository.find_by_path(str(bad_path))
-    assert doc is None
-    
-    # Clean up - make writable again so it can be deleted
-    parent_dir.chmod(stat.S_IWRITE | stat.S_IREAD | stat.S_IEXEC)
-
-
-@pytest.mark.asyncio 
 async def test_create_document_cleanup_on_write_failure(document_service, test_doc_path):
     """Test that failed document creation cleans up DB record when file write fails."""
+
     def fail_write(self, content):
         raise PermissionError("Mock write failure")
-    
+
     # Store original write_text method
     original_write_text = Path.write_text
-    
+
     try:
         # Replace write_text with our failing version
         Path.write_text = fail_write
-        
+
         with pytest.raises(DocumentWriteError) as exc_info:
             await document_service.create_document(
-                str(test_doc_path),
-                "test content",
-                {"type": "test"}
+                str(test_doc_path), "test content", {"type": "test"}
             )
-        
+
         assert "Mock write failure" in str(exc_info.value)
-        
+
         # Verify DB record was cleaned up
         doc = await document_service.repository.find_by_path(str(test_doc_path))
         assert doc is None
-        
+
         # Verify no file was created
         assert not test_doc_path.exists()
-        
+
     finally:
         # Restore original write_text method
         Path.write_text = original_write_text
@@ -138,10 +108,7 @@ async def test_delete_nonexistent_file(document_service, test_doc_path):
 async def test_update_nonexistent_file(document_service, test_doc_path):
     """Test updating a file that doesn't exist."""
     with pytest.raises(DocumentNotFoundError):
-        await document_service.update_document(
-            str(test_doc_path),
-            "new content"
-        )
+        await document_service.update_document(str(test_doc_path), "new content")
 
 
 @pytest.mark.asyncio
@@ -152,7 +119,7 @@ async def test_read_file_exists_no_record(document_service, test_doc_path):
 
     # Reading should create the record
     doc, read_content = await document_service.read_document(str(test_doc_path))
-    
+
     assert read_content == content
     assert doc is not None
     assert doc.path == str(test_doc_path)
@@ -174,12 +141,10 @@ async def test_update_file_exists_no_record(document_service, test_doc_path):
     # Update should create record
     new_content = "updated content"
     doc = await document_service.update_document(
-        str(test_doc_path),
-        new_content,
-        {"status": "updated"}
+        str(test_doc_path), new_content, {"status": "updated"}
     )
 
     assert doc is not None
     assert doc.path == str(test_doc_path)
     assert doc.doc_metadata == {"status": "updated"}
-    assert test_doc_path.read_text() == new_content
\ No newline at end of file
+    assert test_doc_path.read_text() == new_content