[FIX] delivery: fix 824a7e86ed

This test do not simply depend on company's currency; it also depends on
installed pricelists and taxes... It is safer to run it after the
installation of all these modules, else you can observe different result
depending on the modules installation order.

addons/delivery/tests/test_delivery_cost.py

@@ -4,6 +4,8 @@ from odoo.tests import common
 from odoo.tools import float_compare
 
 
+@common.at_install(False)
+@common.post_install(True)
 class TestDeliveryCost(common.TransactionCase):
 
     def setUp(self):
@@ -80,8 +82,8 @@ class TestDeliveryCost(common.TransactionCase):
             ('product_id', '=', self.sale_normal_delivery_charges.carrier_id.product_id.id)])
         self.assertEqual(len(line), 1, "Delivery cost is not Added")
 
-        self.assertEqual(float_compare(line.price_subtotal, 10, precision_digits=2), 0,
-            "Delivey cost is not correspond.")
+        self.assertEqual(float_compare(line.price_subtotal, 10.0, precision_digits=2), 0,
+            "Delivery cost is not correspond.")
 
         # I confirm the sales order
 
@@ -119,7 +121,7 @@ class TestDeliveryCost(common.TransactionCase):
 
         self.assertEqual(len(line), 1, "Delivery cost is not Added")
         self.assertEqual(float_compare(line.price_subtotal, 0, precision_digits=2), 0,
-            "Delivey cost is not correspond.")
+            "Delivery cost is not correspond.")
 
         # I set default delivery policy