fs-watcher: Fixed fs-watcher multiple onChange callback

Change-Id: Ied8c876e4fee238c960e091466e275823e83e899
diff --git a/test/test-fs-watcher-delay.cc b/test/test-fs-watcher-delay.cc
index e658e2a..162d1d4 100644
--- a/test/test-fs-watcher-delay.cc
+++ b/test/test-fs-watcher-delay.cc
@@ -69,13 +69,15 @@
   
   
 
-  usleep(2000000);
+  usleep(10000000);
 
   // cleanup
   if (fs::exists(dir))
   {
     fs::remove_all(dir);
   }
+
+  usleep(1000000);
 }
 
 BOOST_AUTO_TEST_SUITE_END()