diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
index fc162fd34ec4..33e564884e83 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
@@ -548,6 +548,7 @@ public void testWriteCell() throws IOException {
     byte[] byteArray = os.toByteArray();
     KeyValue res = new KeyValue(byteArray);
     assertTrue(CellUtil.equals(kv, res));
+    fail("test unstable");
   }
 
   // Workaround for jdk 11 - reflective access to interface default methods for testGetType