diff --git a/addons/project_gtd/__openerp__.py b/addons/project_gtd/__openerp__.py
index 61ed601829f..7dae4706b70 100644
--- a/addons/project_gtd/__openerp__.py
+++ b/addons/project_gtd/__openerp__.py
@@ -57,7 +57,7 @@ performing those tasks.
     ],
     'demo_xml': ['project_gtd_demo.xml'],
     'test':[
-        'test/gtd_test.yml'
+         'test/task_timebox.yml'
     ],
     'installable': True,
     'application': True,
diff --git a/addons/project_gtd/test/gtd_test.yml b/addons/project_gtd/test/gtd_test.yml
deleted file mode 100644
index 0583bc7e8e0..00000000000
--- a/addons/project_gtd/test/gtd_test.yml
+++ /dev/null
@@ -1,78 +0,0 @@
-- 
-  Create a task 'Develop time management module' with weekly timebox
-- 
-  !record {model: project.task, id: project_task_developtimemanagementmodule0}:
-    name: Develop time management module
-    planned_hours: 15.0
-    project_id: project.project_project_22
-    remaining_hours: 15.0
-    state: draft
-    timebox_id: project_gtd.timebox_weekly
-    
-    
-- 
-  Open the task
-- 
-  !python {model: project.task}: |
-    self.do_open(cr, uid, [ref("project_task_developtimemanagementmodule0")], {"lang":
-      "en_US", "project_id": False, "tz": False, "active_model": "ir.ui.menu",
-      "department_id": False, "section_id": False, "search_default_project_id":
-      False, "search_default_user_id": 1, "search_default_current": 1, "active_ids":
-      [ref("project.menu_action_view_task")], "active_id": ref("project.menu_action_view_task"),
-      })
-      
-- 
-  Create time box for next week
-- 
-  !record {model: project.gtd.timebox, id: project_gtd_timebox_nextweek0}:
-    name: Next Week
-    sequence: 0.0
-    
-- 
-  Create time box for tomorrow
-- 
-  !record {model: project.gtd.timebox, id: project_gtd_timebox_tomorrow1}:
-    name: Tomorrow
-    sequence: 0.0
-    
-- 
-  Planify the task from weekly timebox to tomorrow timebox
-- 
-  !record {model: project.timebox.fill.plan, id: project_timebox_fill_plan_0}:
-    task_ids:
-      - project_task_developtimemanagementmodule0
-    timebox_id: project_gtd.timebox_weekly
-    timebox_to_id: project_gtd_timebox_tomorrow1
-    
-    
-- 
-  Set the task to tomorrow timebox
-- 
-  !python {model: project.timebox.fill.plan}: |
-    self.process(cr, uid, [ref("project_timebox_fill_plan_0")], {"lang": "en_US",
-      "project_id": False, "tz": False, "active_model": "project.gtd.timebox",
-      "department_id": False, "section_id": False, "record_id": 1, "active_ids":
-      [ref("project_gtd.timebox_daily")], "active_id": ref("project_gtd.timebox_daily"),
-      })
-
--
-   Check if task set to tomorrow timebox
--
-   !assert {model: project.task, id: project_task_developtimemanagementmodule0, string: Task set to tomorrow timebox}:
-      - timebox_id.id == ref("project_gtd_timebox_tomorrow1")
-      
--
-   Empty Timebox for tomorrow
--
-   !python {model: project.timebox.empty}: |
-      self._empty(cr, uid,  {"lang": "en_US",
-      "project_id": False, "tz": False, "active_model": "project.gtd.timebox",
-      "department_id": False, "section_id": False, "record_id": 1, "active_ids":
-      [ref("project_gtd_timebox_tomorrow1")], "active_id": ref("project_gtd_timebox_tomorrow1"),
-      })
-           
--
-   Check task 'Develop time management module' is no more in tomorrow timebox
--
-   !assert {model: project.task, id: project_task_developtimemanagementmodule0, string: Task is not in tomorrow timebox}: 
-      - timebox_id.id != ref("project_gtd_timebox_tomorrow1")
diff --git a/addons/project_gtd/test/task_timebox.yml b/addons/project_gtd/test/task_timebox.yml
new file mode 100644
index 00000000000..8efa7219b21
--- /dev/null
+++ b/addons/project_gtd/test/task_timebox.yml
@@ -0,0 +1,45 @@
+-
+  In order to test the process of Timebox in Project Management module,
+  I set my task from Daily to Weekly Timebox through Plannify Timebox
+-
+  !record {model: project.timebox.fill.plan, id: plan_id}:
+    task_ids: [project.project_task_10]
+    timebox_id: timebox_daily
+    timebox_to_id: timebox_weekly
+-
+  I set the task from Daily Timebox to Weekly Timebox
+-
+  !python {model: project.timebox.fill.plan}: |
+    self.process(cr, uid, [ref("plan_id")])
+-
+  I check task is set to Weekly Timebox
+-
+  !assert {model: project.task, id: project.project_task_10, string: Task should be set to weekly timebox}:
+     - timebox_id.id == ref("timebox_weekly")
+-
+  I Empty the Weekly Timebox
+-
+  !python {model: project.timebox.empty}: |
+      self._empty(cr, uid,  {"active_model": "project.gtd.timebox",
+      "active_ids":[ref("timebox_weekly")],
+      "active_id": ref("timebox_weekly"),
+      })
+-
+  I check task 'Develop Module in Sale Management' is no more in Weekly Timebox
+-
+  !assert {model: project.task, id: project.project_task_10 , string: Task is not in Weekly Timebox }:
+     - timebox_id.id != ref("timebox_weekly")
+-
+  I set Previous Timebox on task
+-
+  !python {model: project.task}: |
+     previous_timebox = self.prev_timebox(cr, uid, [ref("project.project_task_10")],
+     {'active_ids': [ref("project_gtd.menu_open_gtd_timebox_tree")],})
+     assert previous_timebox == True, "I set Previous Timebox on task"
+-
+  I set Next Timebox on task
+-
+  !python {model: project.task}: |
+      next_timebox = self.next_timebox(cr, uid, [ref("project.project_task_10")],
+      {'active_ids': [ref("project_gtd.menu_open_gtd_timebox_tree")],})
+      assert next_timebox == True, "I set Next Timebox on task"
\ No newline at end of file