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()
