[NO ISSUE][HYR] Fix LSMBTreeMergeFailTest on Java 17

Change-Id: I61f47201c92d6805b50fdc8e7d6f063f31f86cf7
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18267
Reviewed-by: Michael Blow <mblow@apache.org>
Reviewed-by: Wail Alkowaileet <wael.y.k@gmail.com>
Reviewed-by: Ian Maxon <imaxon@uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Ian Maxon <imaxon@uci.edu>
diff --git a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeFailTest.java b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeFailTest.java
index bd5d97d..ce16730 100644
--- a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeFailTest.java
+++ b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeMergeFailTest.java
@@ -20,7 +20,6 @@
 package org.apache.hyracks.storage.am.lsm.btree;
 
 import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
 
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
@@ -138,9 +137,6 @@
             }
             Field field = MergeOperation.class.getDeclaredField("cursor");
             field.setAccessible(true);
-            Field modifiersField = Field.class.getDeclaredField("modifiers");
-            modifiersField.setAccessible(true);
-            modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
             LSMBTreeRangeSearchCursor originalCursor = (LSMBTreeRangeSearchCursor) field.get(operation);
             field.set(operation, new TestCursor(originalCursor.getOpCtx()));
         }