Arquillian is a popular open-source testing framework for Java EE containers.

In this short video, Phil Zampino of the Oracle WebLogic Server Development Team shows how to get started with Arquillian to test applications running in WebLogic Server.

For a more details on using Arquillian with WebLogic, you can then check this article.

For your convenience, you can also download this archive that contains the test application and the configuration files (pom.xml & arquillian.xml) used in the video.