The test_event unit test is occasionally failing.

Wait for the special posted event to process before adding a new
subscription.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@323990 65c4cc65-6c06-0410-ace0-fbb531ad65f3

tests/test_event.c

@@ -721,6 +721,9 @@ AST_TEST_DEFINE(event_sub_test)
 		goto return_cleanup;
 	}
 
+	ast_test_status_update(test, "Sleeping a few seconds to allow event propagation...\n");
+	sleep(3);
+
 	/*
 	 * Subscription TEST_SUBS_CUSTOM_ANY:
 	 *  - allocate normally