diff --git a/twin/src/test/java/com/iluwatar/twin/BallThreadTest.java b/twin/src/test/java/com/iluwatar/twin/BallThreadTest.java
index 6e46cd4f1..5b5f8f6a2 100644
--- a/twin/src/test/java/com/iluwatar/twin/BallThreadTest.java
+++ b/twin/src/test/java/com/iluwatar/twin/BallThreadTest.java
@@ -84,7 +84,7 @@ public class BallThreadTest {
       verifyZeroInteractions(ballItem);
 
       ballThread.resumeMe();
-      sleep(200);
+      sleep(300);
       verify(ballItem, atLeastOnce()).draw();
       verify(ballItem, atLeastOnce()).move();