--- old/test/jdk/java/util/concurrent/tck/ArrayListTest.java	2021-01-09 11:36:07.476846856 -0800
+++ new/test/jdk/java/util/concurrent/tck/ArrayListTest.java	2021-01-09 11:36:07.152849404 -0800
@@ -57,7 +57,7 @@
             }
         }
         return newTestSuite(
-                // ArrayListTest.class,
+                ArrayListTest.class,
                 CollectionTest.testSuite(new Implementation()),
                 CollectionTest.testSuite(new SubListImplementation()));
     }