def test_action_get_number(self): invoice = Form(self.env["account.move"].with_context( default_move_type="out_invoice")) invoice.partner_id = self.partner_a with invoice.invoice_line_ids.new() as line: line.product_id = self.product_a line.quantity = 10 line.price_unit = 150 with invoice.invoice_line_ids.new() as line: line.product_id = self.product_b line.quantity = 10 line.price_unit = 150 invoice.invoice_date = "2099-01-01" invoice = invoice.save() invoice.journal_id.journal_sequence_id = self.env[ "ir.sequence"].create({"name": "test"}) invoice.action_get_number()