Add test_suite in setup.py

setup.py

@@ -30,6 +30,7 @@ setup(name='trytond_product_cost_history',
     package_dir={'trytond.modules.product_cost_history': '.'},
     packages=[
         'trytond.modules.product_cost_history',
+        'trytond.modules.product_cost_history.tests',
     ],
     package_data={
         'trytond.modules.product_cost_history': info.get('xml', []) \
@@ -58,4 +59,6 @@ setup(name='trytond_product_cost_history',
     [trytond.modules]
     product_cost_history = trytond.modules.product_cost_history
     """,
+    test_suite='tests',
+    test_loader='trytond.test_loader:Loader',
 )

tests/__init__.py

@@ -1,4 +1,4 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 
-from test_product_cost_history import *
+from test_product_cost_history import suite

tests/test_product_cost_history.py

@@ -2,9 +2,6 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 
-import logging
-logging.basicConfig(level=logging.FATAL)
-
 import sys, os
 DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
     '..', '..', '..', '..', '..', 'trytond')))