- Added CatalogSale/CatalogSaleLine to setUp
- Added explicit assertion linking TrytonSale.build_tryton_comment()
to sale.description
- Rewrote test_send_catalog_sales_to_tryton with proper CatalogSale
data, validating comment format, description, reference and lines
- Added direct assertion of TrytonCatalogSale.build_tryton_comment()