增加 login_required decorator 和对应的测试

account/test_urls.py

@@ -0,0 +1,12 @@
+# coding=utf-8
+from django.conf.urls import include, url
+
+from .tests import LoginRequiredCBVTestWithArgs, LoginRequiredCBVTestWithoutArgs
+
+
+urlpatterns = [
+    url(r'^test/fbv/1/$', "account.tests.login_required_FBV_test_without_args"),
+    url(r'^test/fbv/(?P<problem_id>\d+)/$', "account.tests.login_required_FBC_test_with_args"),
+    url(r'^test/cbv/1/$', LoginRequiredCBVTestWithoutArgs.as_view()),
+    url(r'^test/cbv/(?P<problem_id>\d+)/$', LoginRequiredCBVTestWithArgs.as_view()),
+]