Increase version to 3.2 and cleanup test

tests/test_sale_invoice_period.py

@@ -1,37 +1,23 @@
 #!/usr/bin/env python
 # The COPYRIGHT file at the top level of this repository contains the full
 # copyright notices and license terms.
-import sys
-import os
-DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
-    '..', '..', '..', '..', '..', 'trytond')))
-if os.path.isdir(DIR):
-    sys.path.insert(0, os.path.dirname(DIR))
-
 import unittest
 import trytond.tests.test_tryton
 from trytond.tests.test_tryton import test_view, test_depends
-from trytond.backend.sqlite.database import Database as SQLiteDatabase
 
 
 class TestCase(unittest.TestCase):
-    '''
-    Test module.
-    '''
+    'Test module'
 
     def setUp(self):
         trytond.tests.test_tryton.install_module('sale_invoice_period')
 
     def test0005views(self):
-        '''
-        Test views.
-        '''
+        'Test views'
         test_view('sale_invoice_period')
 
     def test0006depends(self):
-        '''
-        Test depends.
-        '''
+        'Test depends'
         test_depends()
 
 
@@ -39,6 +25,3 @@ def suite():
     suite = trytond.tests.test_tryton.suite()
     suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestCase))
     return suite
-
-if __name__ == '__main__':
-    unittest.TextTestRunner(verbosity=2).run(suite())

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=3.0.0
+version=3.2.0
 depends:
     party
     account_invoice