[FIX] tests get stalled on travis

.travis.yml

@@ -1,17 +1,19 @@
+language: python
 sudo: false
-cache: pip
+cache:
+  apt: true
+  directories:
+    - $HOME/.cache/pip
 
 addons:
+  postgresql: "9.5"
   apt:
     packages:
       - expect-dev  # provides unbuffer utility
       - python-lxml # because pip installation is slow
 
-language: python
-
 python:
-  - "2.7"
-
+  - "2.7.13"
 
 env:
   global:
@@ -25,11 +27,8 @@ env:
   - TESTS="1" ODOO_REPO="odoo/odoo"
   - TESTS="1" ODOO_REPO="OCA/OCB"
 
-virtualenv:
-  system_site_packages: true
-
 install:
-  - git clone https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
+  - git clone --depth=1 https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
   - export PATH=${HOME}/maintainer-quality-tools/travis:${PATH}
   - travis_install_nightly
 

partner_financial_risk/tests/test_partner_financial_risk.py

@@ -2,15 +2,18 @@
 # Copyright 2016 Carlos Dauden <carlos.dauden@tecnativa.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo.tests.common import SavepointCase
+from odoo.tests import common
 from odoo import fields
 
 
-class TestPartnerFinancialRisk(SavepointCase):
+@common.at_install(False)
+@common.post_install(True)
+class TestPartnerFinancialRisk(common.SavepointCase):
     @classmethod
     def setUpClass(cls):
         super(TestPartnerFinancialRisk, cls).setUpClass()
-        cls.env.user.groups_id |= cls.env.ref('account.group_account_manager')
+        cls.env.user.groups_id |= cls.env.ref(
+            'account.group_account_manager')
         type_revenue = cls.env.ref('account.data_account_type_revenue')
         type_receivable = cls.env.ref('account.data_account_type_receivable')
         tax_group_taxes = cls.env.ref('account.tax_group_taxes')