Don't wait until distant future to shut down video app.

webrtc/test/mac/run_test.mm

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 47 matching lines @@
   // separate thread, to avoid blocking the main thread.
   TestRunner *testRunner = [[TestRunner alloc] init];
   TestBlock testBlock = functionToBlock(test);
   [NSThread detachNewThreadSelector:@selector(runAllTests:)
                            toTarget:testRunner
                          withObject:testBlock];
 
   NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
   while ([testRunner running] &&
          [runLoop runMode:NSDefaultRunLoopMode
-               beforeDate:[NSDate distantFuture]]);
+               beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]);
 
   [testRunner release];
   [pool release];
 }
 
 }  // namespace test
 }  // namespace webrtc