Marking container unhealthy should not write a merkle tree (test fix)

hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/keyvalue/TestKeyValueHandlerWithUnhealthyContainer.java

@@ -255,7 +255,6 @@ public void testMarkContainerUnhealthyInFailedVolume() throws IOException {
     // unhealthy.
     hddsVolume.setState(StorageVolume.VolumeState.NORMAL);
     handler.markContainerUnhealthy(container, ContainerTestUtils.getUnhealthyDataScanResult());
-    assertTrue(ContainerChecksumTreeManager.checksumFileExist(container));
     verify(mockIcrSender, atMostOnce()).send(any());
   }