JDeveloper (11.1.2.1.0): JUnit Integration update can not be Installed

Question

Oracle JDeveloper 11g Release 2(11.1.2.1.0)
Studio Edition Version 11.1.2.1.0
Version
Java(TM) Platform          1.6.0_24
Oracle IDE               11.1.2.1.38.60.81
Team Productivity Center     11.1.2.1.38.60.81
Versioning Support          11.1.2.1.38.60.81
OS
Microsoft Windows xp(SP3)
I have done following 2 approaches but failed to update the extension
*1st approach:*
I want to update Install BC4J JUnit Integration for that I have followed the following steps
1.     Help(Menu) --> Check for Updates
2.     Check the Official Oracle Extensions and Updates checkbox
3.     Press Next
When I press Next button on step 2 of 5 I can’t see BC4J JUnit Integration. Available update box remain empty I can't select the required component.
*2nd approach:*
1.     Help Menu --> Check for Updates
2.     Click on Install from local File radio button and browse the file that I have downloaded from http://www.oracle.com/ocom/groups/public/@otn/documents/webcontent/131167.xml#oracle.BC4J.junit (11.1.2.1.38.60.81)
3.     Press Next
When I press Next button on step 2 of 5 I got a dialog box saying “Unable to Install Update” with following details
Extension RequiredVersion Installed
oracle.jdeveloper.junit--min=11.1.2.0.38.60.17, max=11.1.2.0.38.60.17-----Not installed
oracle.jdeveloper---------min=11.1.2.0.38.60.17, max=11.1.2.0.38.60.17-----11.1.2.1.38.60.81
Please help me how can I Install this update

Answer 1

Hi,
I have followed the steps that are mentioned in the link. Now "unable to install update" dialogue box has not appeared and finished the installation successfully. In the New Gallery, Selected the All Features tab, but do not find Unit Tests
Regards,
Zafar Iqbal