Unit Test Assistant can automatically update your project with a container that includes all the required libraries. The libraries will be added to Java Build Path in Eclipse. If you build your projects outside the IDE, configure your build system to ensure that the libraries are available; see Configuring the Build System to Include Required Libraries for details.

Configuring Preferences to Automatically Add Required Libraries

Automatically Adding Required Libraries Through the UI

Removing Required Libraries from the Project

To remove the libraries from your Eclipse project, go to the project properties and select Java Build Path> Libraries and remove the Unit Tests Assistant Library container: