diff --git a/moo/kernel/test-002.moo b/moo/kernel/test-002.moo
index a715b51..a7cb265 100644
--- a/moo/kernel/test-002.moo
+++ b/moo/kernel/test-002.moo
@@ -114,7 +114,9 @@ class MyObject(Object)
 			[ self test_semaphore_heap == true ],
 			[ self test_mutex = #(2000 6000) ],
 			####[ self test_sem_sig ],
-			[ a == 300 ]
+
+		
+			[ System sleepForSecs: 2. self.a == 300 ] ## sleep before checking self.a to prevent different result depending on process switching frequency and speed
 		).
 
 		limit := tc size.