Three regression interactive tests are failing with JTreg tool

CTE Regression interactive
==========================
Three tests are failing with JTreg tool but passing manually using README file.
Testcases:
1. java/awt/dnd/NonAsciiFilenames/4345457/DropLabel.java
2. java/awt/swing/event/KeyEvent/4700718/Test4700718.java
3. javax/swing/plaf/basic/4510890/Test4510890.java

OS information:
===============
bash-3.00$ cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 3)
bash-3.00$ uname -a
Linux urti065.India.Sun.COM 2.6.9-34.EL #1 Fri Feb 24 16:44:51 EST 2006 i686 i686 i386 GNU/Linux

JDK information:
================
java version "1.5.0_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_09-b01)
Java HotSpot(TM) Client VM (build 1.5.0_09-b01, mixed mode, sharing)

Error details:
==============
1. java/awt/dnd/NonAsciiFilenames/4345457/DropLabel.java

System.err:
-----------
/net/urts071/export6/testSuites/Regression/workspace_150/test/java/awt/dnd/NonAsciiFilenames/4345457/DropLabel.java:110: cannot find symbol
symbol : variable TestConsole
location: class DropLabel
        TestConsole.startConsole(instructions);
        ^
1 error

Note: Manually I am able to compile and execute the above testcase, see below for more information
bash-3.00$ ls
DropLabel.java file.tar SCCS Test4345457.sh
bash-3.00$ /export/updates/jdks/jdk1.5.0_09/bin/javac DropLabel.java
bash-3.00$ ls
DropLabel.class DropLabel.java file.tar SCCS Test4345457.sh
bash-3.00$ /export/updates/jdks/jdk1.5.0_09/bin/java DropLabel
Test passed. This test is only for Win32

2. java/awt/swing/event/KeyEvent/4700718/Test4700718.java

Error with JTreg tool :
Error. Parse Exception: Invalid key: cte_test

Note: I can execute the above test manually without using JTreg tool and the test was Passed as per the instructions on README .

3. javax/swing/plaf/basic/4510890/Test4510890.java
Error with JTreg tool:
Error. Parse Exception: Invalid key: cte_test

Note:I can execute the above test manually without using JTreg tool and the test was Passed as per the instructions on README .