From 6f2e3a9e6b728a5bd6fb9edaecc18f51e436c9fd Mon Sep 17 00:00:00 2001
From: kwoyke <krzysztofwoyke@gmail.com>
Date: Thu, 27 Aug 2020 14:12:53 +0200
Subject: [PATCH] BAEL-4578: Fix failing unit test (#9929)

---
 .../java/com/baeldung/java10/list/CopyListServiceUnitTest.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core-java-modules/core-java-10/src/test/java/com/baeldung/java10/list/CopyListServiceUnitTest.java b/core-java-modules/core-java-10/src/test/java/com/baeldung/java10/list/CopyListServiceUnitTest.java
index f529e219a6..0b70516146 100644
--- a/core-java-modules/core-java-10/src/test/java/com/baeldung/java10/list/CopyListServiceUnitTest.java
+++ b/core-java-modules/core-java-10/src/test/java/com/baeldung/java10/list/CopyListServiceUnitTest.java
@@ -10,5 +10,6 @@ public class CopyListServiceUnitTest {
     @Test(expected = UnsupportedOperationException.class)
     public void whenModifyCopyOfList_thenThrowsException() {
         List<Integer> copyList = List.copyOf(Arrays.asList(1, 2, 3, 4));
+        copyList.add(4);
     }
 }