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

webrtc/test/mac/run_test.mm

Index: webrtc/test/mac/run_test.mm
diff --git a/webrtc/test/mac/run_test.mm b/webrtc/test/mac/run_test.mm
index e8f38401c3ea2d0f4b88203bab1bb5e5efb12947..4e0093a9b6e40f6c13b52ede10e0bdd0cc100bd7 100644
--- a/webrtc/test/mac/run_test.mm
+++ b/webrtc/test/mac/run_test.mm
@@ -65,7 +65,7 @@ void RunTest(void(*test)()) {
   NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
   while ([testRunner running] &&
          [runLoop runMode:NSDefaultRunLoopMode
-               beforeDate:[NSDate distantFuture]]);
+               beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]);
 
   [testRunner release];
   [pool release];