diff --git a/configuration.py b/configuration.py
index e69a0bd..a773c92 100644
--- a/configuration.py
+++ b/configuration.py
@@ -27,11 +27,6 @@ class ConfigurationLine(ModelSQL, ModelView):
     document = fields.Many2One('ir.model', 'Document', required=True)
     configuration = fields.Many2One('quality.configuration', 'Configuration')
 
-    @staticmethod
-    def default_active():
-        """ Return default value 'True' for active field """
-        return True
-
     @staticmethod
     def default_company():
         """ Return default company value, context setted for company field """
diff --git a/quality.py b/quality.py
index d243b08..f6f0e78 100644
--- a/quality.py
+++ b/quality.py
@@ -6,15 +6,13 @@ from sql import Column, Literal
 from trytond.model import Workflow, ModelView, ModelSQL, fields, UnionMixin
 from trytond.pyson import Bool, Equal, Eval, If, Not
 from trytond.transaction import Transaction
-from trytond.pool import Pool, PoolMeta
+from trytond.pool import Pool
 
 __all__ = ['Proof', 'ProofMethod', 'QualitativeValue', 'Template',
     'QualitativeTemplateLine', 'QuantitativeTemplateLine', 'TemplateLine',
     'QualityTest', 'QuantitativeTestLine', 'QualitativeTestLine', 'TestLine',
     'QualityTestQualityTemplate']
 
-__metaclass__ = PoolMeta
-
 _PROOF_TYPES = [
     ('qualitative', 'Qualitative'),
     ('quantitative', 'Quantitative')
@@ -178,18 +176,14 @@ class QualitativeTemplateLine(ModelSQL, ModelView):
 
     @fields.depends('proof')
     def on_change_proof(self):
-        res = {}
         if not self.proof:
-            res['method'] = None
-            res['valid_value'] = None
-        return res
+            self.method = None
+            self.valid_value = None
 
     @fields.depends('method')
     def on_change_method(self):
-        res = {}
         if not self.method:
-            res['valid_value'] = None
-        return res
+            self.valid_value = None
 
 
 class QuantitativeTemplateLine(ModelSQL, ModelView):
@@ -240,10 +234,8 @@ class QuantitativeTemplateLine(ModelSQL, ModelView):
 
     @fields.depends('proof')
     def on_change_proof(self):
-        res = {}
         if not self.proof:
-            res['method'] = None
-        return res
+            self.method = None
 
 
 class TemplateLine(UnionMixin, ModelSQL, ModelView):
@@ -440,10 +432,6 @@ class QualityTest(Workflow, ModelSQL, ModelView):
     def default_company():
         return Transaction().context.get('company')
 
-    @staticmethod
-    def default_template():
-        return Transaction().context.get('default_quality_template')
-
     def get_rec_name(self, name):
         res = self.number or ''
         if self.document:
@@ -549,7 +537,7 @@ class QualityTest(Workflow, ModelSQL, ModelView):
 
     @fields.depends('document')
     def on_change_document(self):
-        return {}
+        pass
 
 
 class QualitativeTestLine(ModelSQL, ModelView):
diff --git a/quality.xml b/quality.xml
index 6a06306..4e1bd13 100644
--- a/quality.xml
+++ b/quality.xml
@@ -34,7 +34,9 @@
             <field name="global_p" eval="True"/>
         </record>
         <record model="ir.rule" id="rule_quality">
-            <field name="domain">[('company', 'in', [c.id for c in user.companies])]</field>
+            <field name="domain"
+                eval="[('company', 'in', Eval('user', {}).get('companies', []))]"
+                pyson="1"/>
             <field name="rule_group" ref="rule_group_quality"/>
         </record>
 
@@ -43,7 +45,9 @@
             <field name="global_p" eval="True"/>
         </record>
         <record model="ir.rule" id="rule_quality_template">
-            <field name="domain">[('company', 'in', [c.id for c in user.companies])]</field>
+            <field name="domain"
+                eval="[('company', 'in', Eval('user', {}).get('companies', []))]"
+                pyson="1"/>
             <field name="rule_group" ref="rule_group_quality_template"/>
         </record>
 
@@ -52,7 +56,9 @@
             <field name="global_p" eval="True"/>
         </record>
         <record model="ir.rule" id="rule_quality_test">
-            <field name="domain">[('company', 'in', [c.id for c in user.companies])]</field>
+            <field name="domain"
+                eval="[('company', 'in', Eval('user', {}).get('companies', []))]"
+                pyson="1"/>
             <field name="rule_group" ref="rule_group_quality_test"/>
         </record>
 
diff --git a/tests/scenario_quality_test.rst b/tests/scenario_quality_test.rst
index 014949d..4574be8 100644
--- a/tests/scenario_quality_test.rst
+++ b/tests/scenario_quality_test.rst
@@ -8,6 +8,8 @@ Imports::
     >>> from decimal import Decimal
     >>> from operator import attrgetter
     >>> from proteus import config, Model, Wizard
+    >>> from trytond.modules.company.tests.tools import create_company, \
+    ...     get_company
     >>> today = datetime.date.today()
 
 Create database::
@@ -17,37 +19,16 @@ Create database::
 
 Install quality_test module::
 
-    >>> Module = Model.get('ir.module.module')
+    >>> Module = Model.get('ir.module')
     >>> quality_test_module, = Module.find(
     ...     [('name', '=', 'quality_control')])
     >>> Module.install([quality_test_module.id], config.context)
-    >>> Wizard('ir.module.module.install_upgrade').execute('upgrade')
+    >>> Wizard('ir.module.install_upgrade').execute('upgrade')
 
 Create company::
 
-    >>> Currency = Model.get('currency.currency')
-    >>> CurrencyRate = Model.get('currency.currency.rate')
-    >>> currencies = Currency.find([('code', '=', 'USD')])
-    >>> if not currencies:
-    ...     currency = Currency(name='US Dollar', symbol=u'$', code='USD',
-    ...         rounding=Decimal('0.01'), mon_grouping='[]',
-    ...         mon_decimal_point='.')
-    ...     currency.save()
-    ...     CurrencyRate(date=today + relativedelta(month=1, day=1),
-    ...         rate=Decimal('1.0'), currency=currency).save()
-    ... else:
-    ...     currency, = currencies
-    >>> Company = Model.get('company.company')
-    >>> Party = Model.get('party.party')
-    >>> company_config = Wizard('company.company.config')
-    >>> company_config.execute('company')
-    >>> company = company_config.form
-    >>> party = Party(name='Dunder Mifflin')
-    >>> party.save()
-    >>> company.party = party
-    >>> company.currency = currency
-    >>> company_config.execute('add')
-    >>> company, = Company.find([])
+    >>> _ = create_company()
+    >>> company = get_company()
 
 Reload the context::
 
@@ -102,7 +83,6 @@ Create Qualitative Proof::
     >>> method1.possible_values.append(val2)
     >>> qlproof.save()
 
-
 Create Quantitative Proof::
 
     >>> Proof = Model.get('quality.proof')
diff --git a/tests/test_quality_control.py b/tests/test_quality_control.py
index d0de1a9..fa6ab24 100644
--- a/tests/test_quality_control.py
+++ b/tests/test_quality_control.py
@@ -1,33 +1,23 @@
-#!/usr/bin/env python
-# The COPYRIGHT file at the top level of this repository contains the full
-# copyright notices and license terms.
+# 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 unittest
 import doctest
-import trytond.tests.test_tryton
-from trytond.tests.test_tryton import test_view, test_depends
+from trytond.tests.test_tryton import ModuleTestCase
+from trytond.tests.test_tryton import suite as test_suite
 from trytond.tests.test_tryton import doctest_setup, doctest_teardown
 
 
-class QualityControlTestCase(unittest.TestCase):
-    'Test QualityControl module'
-
-    def setUp(self):
-        trytond.tests.test_tryton.install_module('quality_control')
-
-    def test0005views(self):
-        'Test views'
-        test_view('quality_control')
-
-    def test0006depends(self):
-        'Test depends'
-        test_depends()
+class QualityControlTestCase(ModuleTestCase):
+    'Test Quality Control module'
+    module = 'quality_control'
 
 
 def suite():
-    suite = trytond.tests.test_tryton.suite()
+    suite = test_suite()
     suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
-        QualityControlTestCase))
-    suite.addTests(doctest.DocFileSuite('scenario_quality_test.rst',
+            QualityControlTestCase))
+    suite.addTests(doctest.DocFileSuite(
+            'scenario_quality_test.rst',
             setUp=doctest_setup, tearDown=doctest_teardown, encoding='utf-8',
             optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
     return suite
diff --git a/tryton.cfg b/tryton.cfg
index 7c0fa2e..40d03ff 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=3.4.0
+version=4.1.0
 depends:
     company
     currency
diff --git a/view/quality_template_form.xml b/view/quality_template_form.xml
index a52550e..21b9bda 100644
--- a/view/quality_template_form.xml
+++ b/view/quality_template_form.xml
@@ -11,10 +11,10 @@ contains the full copyright notices and license terms. -->
     <label name="document"/>
     <field name="document"/>
     <notebook colspan="4">
-        <page string="Qualitative" name="qualitative_lines">
+        <page name="qualitative_lines">
             <field name="qualitative_lines" colspan="4"/>
         </page>
-        <page string="Quantitative" name="quantitative_lines">
+        <page name="quantitative_lines">
             <field name="quantitative_lines" colspan="4"/>
         </page>
         <page name="lines">