def setUp(self): product1 = Product(unit_price="1.27") product1.save() ProductVariation(unit_price="1.27", product_id=product1.id).save() ProductVariation(unit_price="1.27", product_id=product1.id).save() product2 = Product(unit_price="1.27") product2.save() ProductVariation(unit_price="1.27", product_id=product2.id).save() ProductVariation(unit_price="1.27", product_id=product2.id).save() sale = Sale(title="30% OFF - Ken Bruce has gone mad!", discount_percent="30") sale.save() sale.products.add(product1) sale.products.add(product2) sale.save()