resolving copilot comments

Author: gargsaumya

mssql_python/pybind/ddbc_bindings.cpp

@@ -2625,9 +2625,6 @@ SQLRETURN FetchBatchData(SQLHSTMT hStmt, ColumnBuffers& buffers, py::list& colum
                 }
                 case SQL_GUID: {
                     SQLGUID* guidValue = &buffers.guidBuffers[col - 1][i];
-                    // We already have the raw bytes from SQL Server in the SQLGUID struct.
-                    // We do not need to perform any additional reordering here, as the C++
-                    // SQLGUID struct is already laid out in the non-standard SQL Server byte order.
                     std::vector<char> guid_bytes(16);
                     std::memcpy(guid_bytes.data(), guidValue, sizeof(SQLGUID));
 

tests/test_004_cursor.py

@@ -6896,7 +6896,7 @@ def test_insert_multiple_uuids(cursor, db_connection):
         db_connection.commit()
 
 def test_uuid_insert_with_none(cursor, db_connection):
-    """Test that inserting None into a UUID column raises an error (or is handled)."""
+    """Test that inserting None into a UUID column results in a NULL value and is handled correctly."""
     table_name = "#pytest_uuid_none"
     try:
         cursor.execute(f"DROP TABLE IF EXISTS {table_name}")