diff --git a/addons/mrp/tests/common.py b/addons/mrp/tests/common.py
index d8c82d791ea..47cb622de23 100644
--- a/addons/mrp/tests/common.py
+++ b/addons/mrp/tests/common.py
@@ -5,6 +5,47 @@ from odoo.addons.stock.tests import common2
 
 class TestMrpCommon(common2.TestStockCommon):
 
+    @classmethod
+    def generate_mo(self, tracking_final='none', tracking_base_1='none', tracking_base_2='none', qty_final=5, qty_base_1=4, qty_base_2=1):
+        """ This function generate a manufacturing order with one final
+        product and two consumed product. Arguments allows to choose
+        the tracking/qty for each different products. It returns the
+        MO, used bom and the tree products.
+        """
+        product_to_build = self.env['product.product'].create({
+            'name': 'Young Tom',
+            'type': 'product',
+            'tracking': tracking_final,
+        })
+        product_to_use_1 = self.env['product.product'].create({
+            'name': 'Botox',
+            'type': 'product',
+            'tracking': tracking_base_1,
+        })
+        product_to_use_2 = self.env['product.product'].create({
+            'name': 'Old Tom',
+            'type': 'product',
+            'tracking': tracking_base_2,
+        })
+        bom_1 = self.env['mrp.bom'].create({
+            'product_id': product_to_build.id,
+            'product_tmpl_id': product_to_build.product_tmpl_id.id,
+            'product_uom_id': self.uom_unit.id,
+            'product_qty': 1.0,
+            'type': 'normal',
+            'bom_line_ids': [
+                (0, 0, {'product_id': product_to_use_2.id, 'product_qty': qty_base_2}),
+                (0, 0, {'product_id': product_to_use_1.id, 'product_qty': qty_base_1})
+            ]})
+        mo = self.env['mrp.production'].create({
+            'name': 'MO 1',
+            'product_id': product_to_build.id,
+            'product_uom_id': product_to_build.uom_id.id,
+            'product_qty': qty_final,
+            'bom_id': bom_1.id,
+        })
+        return mo, bom_1, product_to_build, product_to_use_1, product_to_use_2
+
     @classmethod
     def setUpClass(cls):
         super(TestMrpCommon, cls).setUpClass()
diff --git a/addons/mrp/tests/test_unbuild.py b/addons/mrp/tests/test_unbuild.py
index e862c37512d..8c53593ab0f 100644
--- a/addons/mrp/tests/test_unbuild.py
+++ b/addons/mrp/tests/test_unbuild.py
@@ -10,46 +10,6 @@ class TestUnbuild(TestMrpCommon):
         super(TestUnbuild, self).setUp()
         self.stock_location = self.env.ref('stock.stock_location_stock')
 
-    def generate_mo(self, tracking_final='none', tracking_base_1='none', tracking_base_2='none'):
-        """ This function generate a manufacturing order with one final product
-        and two consumed product. Arguments allows to choose the tracking for each
-        different products.
-        It returns the MO, used bom, the tree products
-        """
-        product_to_build = self.env['product.product'].create({
-            'name': 'Young Tom',
-            'type': 'product',
-            'tracking': tracking_final,
-        })
-        product_to_use_1 = self.env['product.product'].create({
-            'name': 'Botox',
-            'type': 'product',
-            'tracking': tracking_base_1,
-        })
-        product_to_use_2 = self.env['product.product'].create({
-            'name': 'Old Tom',
-            'type': 'product',
-            'tracking': tracking_base_2,
-        })
-        bom_1 = self.env['mrp.bom'].create({
-            'product_id': product_to_build.id,
-            'product_tmpl_id': product_to_build.product_tmpl_id.id,
-            'product_uom_id': self.uom_unit.id,
-            'product_qty': 1.0,
-            'type': 'normal',
-            'bom_line_ids': [
-                (0, 0, {'product_id': product_to_use_2.id, 'product_qty': 1}),
-                (0, 0, {'product_id': product_to_use_1.id, 'product_qty': 4})
-            ]})
-        mo = self.env['mrp.production'].create({
-            'name': 'MO 1',
-            'product_id': product_to_build.id,
-            'product_uom_id': product_to_build.uom_id.id,
-            'product_qty': 5.0,
-            'bom_id': bom_1.id,
-        })
-        return mo, bom_1, product_to_build, product_to_use_1, product_to_use_2
-
     def test_unbuild_standart(self):
         """ This test creates a MO and then creates 3 unbuild
         orders for the final product. None of the products for this