Fix broken service detail view

Oops.

costs/templates/costs/service_detail.html

@@ -1,4 +1,4 @@
-{% extends "costs/base.html" %}
+{% extends "base.html" %}
 
 {% load costs %}
 

costs/tests/test_views.py

@@ -1,12 +1,20 @@
 import datetime
 
+from django.contrib.auth import get_user_model
 from django.test import TestCase
 
 from ..models import Cost, Document, Good, Service, GoodUse, CostUse
 
 
+User = get_user_model()
+
+
 class ViewsTests(TestCase):
     def setUp(self):
+        user = User(username='user', is_staff=True, is_active=True)
+        user.set_password('password')
+        user.save()
+
         self.doc = Document.objects.create(name='budget')
         rent = Cost.objects.create(name='Rent', price=100, document=self.doc)
         server = Good.objects.create(
@@ -20,5 +28,6 @@ class ViewsTests(TestCase):
         CostUse.objects.create(resource=rent, service=vpn, share=0.5)
 
     def test_detail_service(self):
-        response = self.client.get('/transparency/services/1')
+        assert self.client.login(username='user', password='password')
+        response = self.client.get('/costs/services/1')
         self.assertEqual(response.status_code, 200)