[FIX] Test remove workflow

account_operating_unit/tests/test_account_operating_unit.py

@@ -2,10 +2,10 @@
 # © 2016-17 Eficent Business and IT Consulting Services S.L.
 # © 2016 Serpent Consulting Services Pvt. Ltd.
 # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
-from openerp.addons.account.tests import account_test_classes
+from odoo.addons.account.tests.account_test_classes import AccountingTestCase
 
 
-class TestAccountOperatingUnit(account_test_classes.AccountingTestCase):
+class TestAccountOperatingUnit(AccountingTestCase):
 
     def setUp(self):
         super(TestAccountOperatingUnit, self).setUp()

account_operating_unit/tests/test_invoice_operating_unit.py

@@ -17,7 +17,7 @@ def test_create_invoice_validate(self):
             self.invoice_model.sudo(self.user_id.id).create(
                 self._prepare_invoice(self.b2b.id))
         # Validate the invoice
-        self.invoice.sudo(self.user_id.id).signal_workflow('invoice_open')
+        self.invoice.sudo(self.user_id.id).action_invoice_open()
         # Check Operating Units in journal entries
         all_op_units = all(move_line.operating_unit_id.id == self.b2b.id for
                            move_line in self.invoice.move_id.line_ids)

account_operating_unit/tests/test_payment_operating_unit.py

@@ -16,7 +16,7 @@ def test_payment_from_invoice(self):
         self.invoice = self.invoice_model.sudo(self.user_id.id).create(
             self._prepare_invoice(self.b2b.id))
         # Validate the invoice
-        self.invoice.sudo(self.user_id.id).signal_workflow('invoice_open')
+        self.invoice.sudo(self.user_id.id).action_invoice_open()
 
         # Pay the invoice using a cash journal associated to the main company
         ctx = {'active_model': 'account.invoice', 'active_ids': [