While running the System test cases of my plugin of  jenkins its failed with below error

Test suite requires in pre-installed Jenkins plugin https://wiki.jenkins-ci.org/display/JENKINS/Form+Element+Path+Plugin
HTTP/1.1 403 [X-Content-Type-Options: nosniff, Content-Type: text/html;charset=utf-8, Content-Language: en, Content-Length: 1047, Date: Wed, 19 Feb 2020 07:30:56 GMT] org.apache.http.conn.BasicManagedEntity@44592c39

Even after installation of "Form Element Path Plugin" version 1.9 in jenkins  still getting the  same error.

Please help us to resolve this