Mark QUIC broken when the network blackholes after the handshake

net/quic/test_tools/test_task_runner.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Common utilities for Quic tests
 
 #ifndef NET_QUIC_TEST_TOOLS_TEST_TASK_RUNNER_H_
 #define NET_QUIC_TEST_TOOLS_TEST_TASK_RUNNER_H_
 
 #include <vector>
@@ skipping 16 matching lines @@
   explicit TestTaskRunner(MockClock* clock);
 
   // base::TaskRunner implementation.
   bool PostDelayedTask(const tracked_objects::Location& from_here,
                        base::Closure task,
                        base::TimeDelta delay) override;
   bool RunsTasksOnCurrentThread() const override;
 
   const std::vector<PostedTask>& GetPostedTasks() const;
 
+  // Finds the next task to run, advances the time to the correct time
+  // and then runs the task.
   void RunNextTask();
 
+  // While there are posted tasks, finds the next task to run, advances the
+  // time to the correct time and then runs the task.
+  void RunUntilIdle();
+
  protected:
   ~TestTaskRunner() override;
 
  private:
   std::vector<PostedTask>::iterator FindNextTask();
 
   MockClock* const clock_;
   std::vector<PostedTask> tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(TestTaskRunner);
 };
 
 }  // namespace test
 
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_TEST_TASK_RUNNER_H_