没有登录的时候自动跳转到登录页面，修改相关测试

account/test_urls.py

@@ -1,5 +1,6 @@
 # coding=utf-8
 from django.conf.urls import include, url
+from django.views.generic import TemplateView
 
 from .tests import (LoginRequiredCBVTestWithArgs, LoginRequiredCBVTestWithoutArgs,
                     AdminRequiredCBVTestWithArgs, AdminRequiredCBVTestWithoutArgs)
@@ -15,4 +16,5 @@ urlpatterns = [
     url(r'^admin_required_test/fbv/(?P<problem_id>\d+)/$', "account.tests.admin_required_FBC_test_with_args"),
     url(r'^admin_required_test/cbv/1/$', AdminRequiredCBVTestWithoutArgs.as_view()),
     url(r'^admin_required_test/cbv/(?P<problem_id>\d+)/$', AdminRequiredCBVTestWithArgs.as_view()),
+    url(r'^login/$', TemplateView.as_view(template_name="oj/account/login.html"), name="user_login_page"),
 ]