[NO ISSUE][TEST] Fix tests, remove reflection

Change-Id: I7459118e4f43afb4dd17d3864749b38d58bbd5e6
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18355
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ali Alsuliman <ali.al.solaiman@gmail.com>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
diff --git a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestPrimaryIndexOperationTrackerFactory.java b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestPrimaryIndexOperationTrackerFactory.java
index c4390fa..38fdf56 100644
--- a/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestPrimaryIndexOperationTrackerFactory.java
+++ b/asterixdb/asterix-app/src/test/java/org/apache/asterix/test/dataflow/TestPrimaryIndexOperationTrackerFactory.java
@@ -19,7 +19,6 @@
 package org.apache.asterix.test.dataflow;
 
 import java.lang.reflect.Field;
-import java.lang.reflect.Modifier;
 import java.util.Map;
 
 import org.apache.asterix.common.api.INcApplicationContext;
@@ -70,20 +69,10 @@
         }
     }
 
-    static void setFinal(Field field, Object obj, Object newValue) throws Exception {
-        field.setAccessible(true);
-        Field modifiersField = Field.class.getDeclaredField("modifiers");
-        modifiersField.setAccessible(true);
-        modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
-        field.set(obj, newValue);
-    }
-
     @SuppressWarnings({ "rawtypes", "unchecked" })
     static void replaceMapEntry(Field field, Object obj, Object key, Object value)
             throws Exception, IllegalAccessException {
         field.setAccessible(true);
-        Field modifiersField = Field.class.getDeclaredField("modifiers");
-        modifiersField.setAccessible(true);
         Map map = (Map) field.get(obj);
         map.put(key, value);
     }