Fix: partial fix of test scenario, fixed model buttons, update 7.6

tests/scenario_sale_payment.rst

@@ -116,7 +116,7 @@ Create journals::
     >>> StatementJournal = Model.get('account.statement.journal')
     >>> Journal = Model.get('account.journal')
     >>> SequenceType = Model.get('ir.sequence.type')
-    >>> sequence_type, = SequenceType.find([('name', '=', 'Account Journal')])
+    >>> sequence_type, = SequenceType.find([('name', '=', 'Account Move')])
     >>> sequence = Sequence(name='Statement',
     ...     sequence_type=sequence_type,
     ...     company=company,
@@ -124,7 +124,6 @@ Create journals::
     >>> sequence.save()
     >>> account_journal = Journal(name='Statement',
     ...     type='statement',
-    ...     sequence=sequence,
     ... )
     >>> account_journal.save()
     >>> statement_journal = StatementJournal(name='Default',
@@ -174,7 +173,7 @@ Create account user::
     >>> account_user = User()
     >>> account_user.name = 'Account'
     >>> account_user.login = 'account'
-    >>> account_group, = Group.find([('name', '=', 'Account')])
+    >>> account_group, = Group.find([('name', '=', 'Accounting')])
     >>> account_user.groups.append(account_group)
     >>> account_user.shops.append(shop)
     >>> account_user.shop = shop
@@ -191,6 +190,7 @@ Sale services::
     >>> sale_line = sale.lines.new()
     >>> sale_line.product = product
     >>> sale_line.quantity = 2.0
+    >>> sale_line.unit_price = Decimal('10.00')
     >>> sale.save()
     >>> len(sale.shipments), len(sale.invoices), len(sale.payments)
     (0, 0, 0)