diff --git a/tests/scenario_project_invoice_effort.rst b/tests/scenario_project_invoice_effort.rst
index 2f51fd1c8f..0f399cc651 100644
--- a/tests/scenario_project_invoice_effort.rst
+++ b/tests/scenario_project_invoice_effort.rst
@@ -8,7 +8,7 @@ Imports::
     >>> from dateutil.relativedelta import relativedelta
     >>> from decimal import Decimal
     >>> from proteus import Model, Wizard
-    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.tests.tools import activate_modules, set_user
     >>> from trytond.modules.company.tests.tools import create_company, \
     ...     get_company
     >>> from trytond.modules.account.tests.tools import create_chart, \
@@ -96,7 +96,7 @@ Create product::
 
 Create a Project::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> ProjectWork = Model.get('project.work')
     >>> project = ProjectWork()
     >>> project.name = 'Test effort'
@@ -144,7 +144,7 @@ Check project duration::
 
 Invoice project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 18000)
@@ -155,7 +155,7 @@ Invoice project::
 
 Do project::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> task_no_effort.state = 'done'
     >>> task_no_effort.save()
     >>> project.state = 'done'
@@ -173,7 +173,7 @@ Check project duration::
 
 Invoice again project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 21600)
diff --git a/tests/scenario_project_invoice_progress.rst b/tests/scenario_project_invoice_progress.rst
index 37cf66c184..4ba44bbea7 100644
--- a/tests/scenario_project_invoice_progress.rst
+++ b/tests/scenario_project_invoice_progress.rst
@@ -8,7 +8,7 @@ Imports::
     >>> from dateutil.relativedelta import relativedelta
     >>> from decimal import Decimal
     >>> from proteus import Model, Wizard
-    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.tests.tools import activate_modules, set_user
     >>> from trytond.modules.company.tests.tools import create_company, \
     ...     get_company
     >>> from trytond.modules.account.tests.tools import create_chart, \
@@ -96,7 +96,7 @@ Create product::
 
 Create a Project::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> ProjectWork = Model.get('project.work')
     >>> TimesheetWork = Model.get('timesheet.work')
     >>> project = ProjectWork()
@@ -150,7 +150,7 @@ Check project duration::
 
 Invoice project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 9000)
@@ -161,7 +161,7 @@ Invoice project::
 
 Do 75% of task and 100% of project::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> task.progress = 0.75
     >>> task.save()
     >>> project.progress = 1.
@@ -179,7 +179,7 @@ Check project duration::
 
 Invoice again project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 17100)
diff --git a/tests/scenario_project_invoice_timesheet.rst b/tests/scenario_project_invoice_timesheet.rst
index f43118dda2..59d819dcba 100644
--- a/tests/scenario_project_invoice_timesheet.rst
+++ b/tests/scenario_project_invoice_timesheet.rst
@@ -8,7 +8,7 @@ Imports::
     >>> from dateutil.relativedelta import relativedelta
     >>> from decimal import Decimal
     >>> from proteus import Model, Wizard
-    >>> from trytond.tests.tools import activate_modules
+    >>> from trytond.tests.tools import activate_modules, set_user
     >>> from trytond.modules.company.tests.tools import create_company, \
     ...     get_company
     >>> from trytond.modules.account.tests.tools import create_chart, \
@@ -96,7 +96,7 @@ Create product::
 
 Create a Project::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> ProjectWork = Model.get('project.work')
     >>> project = ProjectWork()
     >>> project.name = 'Test timesheet'
@@ -147,7 +147,7 @@ Check project duration::
 
 Invoice project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 18000)
@@ -158,7 +158,7 @@ Invoice project::
 
 Create more timesheets::
 
-    >>> config.user = project_user.id
+    >>> set_user(project_user)
     >>> TimesheetLine = Model.get('timesheet.line')
     >>> line = TimesheetLine()
     >>> line.employee = employee
@@ -178,7 +178,7 @@ Check project duration::
 
 Invoice again project::
 
-    >>> config.user = project_invoice_user.id
+    >>> set_user(project_invoice_user)
     >>> project.click('invoice')
     >>> project.invoiced_duration
     datetime.timedelta(0, 32400)