change redirect url from '/accounts/login' to '/login'

ECOM-1734

common/djangoapps/external_auth/tests/test_ssl.py

@@ -170,7 +170,7 @@ class SSLClientTest(ModuleStoreTestCase):
         """
         response = self.client.get(reverse('dashboard'), follows=True)
         self.assertEqual(response.status_code, 302)
-        self.assertIn(reverse('accounts_login'), response['location'])
+        self.assertIn(reverse('signin_user'), response['location'])
 
         response = self.client.get(
             reverse('dashboard'), follow=True,

common/djangoapps/student/tests/test_login.py

@@ -429,7 +429,7 @@ class ExternalAuthShibTest(ModuleStoreTestCase):
         """
         response = self.client.get(reverse('dashboard'))
         self.assertEqual(response.status_code, 302)
-        self.assertEqual(response['Location'], 'http://testserver/accounts/login?next=/dashboard')
+        self.assertEqual(response['Location'], 'http://testserver/login?next=/dashboard')
 
     @unittest.skipUnless(settings.FEATURES.get('AUTH_USE_SHIB'), "AUTH_USE_SHIB not set")
     def test_externalauth_login_required_course_context(self):
@@ -440,7 +440,7 @@ class ExternalAuthShibTest(ModuleStoreTestCase):
         TARGET_URL = reverse('courseware', args=[self.course.id.to_deprecated_string()])            # pylint: disable=invalid-name
         noshib_response = self.client.get(TARGET_URL, follow=True)
         self.assertEqual(noshib_response.redirect_chain[-1],
-                         ('http://testserver/accounts/login?next={url}'.format(url=TARGET_URL), 302))
+                         ('http://testserver/login?next={url}'.format(url=TARGET_URL), 302))
         self.assertContains(noshib_response, ("Sign in or Register | {platform_name}"
                                               .format(platform_name=settings.PLATFORM_NAME)))
         self.assertEqual(noshib_response.status_code, 200)

common/djangoapps/student/tests/test_login_registration_forms.py

@@ -90,7 +90,7 @@ class LoginFormTest(ThirdPartyAuthTestMixin, UrlResetMixin, ModuleStoreTestCase)
         self.assertRedirects(
             response,
             u"{url}?next={redirect_url}".format(
-                url=reverse("accounts_login"),
+                url=reverse("signin_user"),
                 redirect_url=self.courseware_url
             )
         )