TestLink Plugin is not executing testng method and showing Not Run in jenkins execution report

Following are testlink, jenkins and testlink plug in versions that used for configuration.
TestLink 1.9.9
Jenkins ver. 1.523
Jenkins TestLink Plugin - 3.10

Created testlink project,testplan and custom fields, refer attachments for details.

In test suite, 2 test cases are present
Login test which uses following java class to execute
com.mycompany.myproject.testscripts.ConceptTest

and for this used custom field is - TestMethod

java class com.mycompany.myproject.testscripts.ConceptTest contains several testng methods refer attached source file
eg login, registration etc

Registration test used following value for custom field

TestMethod: com.mycompany.myproject.testscripts.ConceptTest#TestLinkTest11

Actual registration test script present in testng method - TestLinkTest11

After executing above configuration jenkins and testlink test execution result says - Not run in result screen. refer screenshots for reference