diff --git a/src/test_/java/CollisionCheckerTest.java b/src/test_/java/CollisionCheckerTest.java
index 7e3e1c8..10da0f9 100644
--- a/src/test_/java/CollisionCheckerTest.java
+++ b/src/test_/java/CollisionCheckerTest.java
@@ -2,6 +2,7 @@ import PingPong.CollisionChecker;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 
@@ -35,4 +36,16 @@ public class CollisionCheckerTest {
         //assert
         assertTrue(result);
     }
+    @Test
+    void WhenBallYCoordinateIsMoreThanZeroAndLessThanMaxHeight_didTouchTopOrBottomEdge_ReturnsFalse() {
+        // arrange
+        Integer ballYCoordinate = 75;
+        Integer maxHeight = 123;
+
+        // act
+        Boolean result = collisionChecker.didTouchTopOrBottomEdge(ballYCoordinate, maxHeight);
+
+        //assert
+        assertFalse(result);
+    }
 }