Accept Merge Request #158 更新 : (dev-sxw -> for-contest)

Merge Request: 更新
Created By: @esp
Accepted By: @esp
URL: https://coding.net/u/virusdefender/p/qduoj/git/merge/158

problem/tests.py

@@ -144,7 +144,7 @@ class ProblemAdminTest(APITestCase):
         self.assertEqual(response.data, {"code": 1, "data": u"题目不存在"})
 
     def test_query_problem_exists(self):
-        data = {"problem_id": 1}
+        data = {"problem_id": self.problem.id}
         response = self.client.get(self.url, data=data)
         self.assertEqual(response.data["code"], 0)