Fix 404 when send pull request some situation (#6871)

models/fixtures/repo_unit.yml

@@ -374,4 +374,32 @@
   repo_id: 41
   type: 3
   config: "{\"IgnoreWhitespaceConflicts\":false,\"AllowMerge\":true,\"AllowRebase\":true,\"AllowRebaseMerge\":true,\"AllowSquash\":true}"
+  created_unix: 946684810
+
+-
+  id: 55
+  repo_id: 10
+  type: 1
+  config: "{}"
+  created_unix: 946684810
+
+-
+  id: 56
+  repo_id: 10
+  type: 2
+  config: "{\"EnableTimetracker\":true,\"AllowOnlyContributorsToTrackTime\":true}"
+  created_unix: 946684810
+
+-
+  id: 57
+  repo_id: 10
+  type: 3
+  config: "{\"IgnoreWhitespaceConflicts\":false,\"AllowMerge\":true,\"AllowRebase\":true,\"AllowRebaseMerge\":true,\"AllowSquash\":true}"
+  created_unix: 946684810
+
+-
+  id: 58
+  repo_id: 11
+  type: 1
+  config: "{}"
   created_unix: 946684810