JustTestLah!
· JustTestLah! is a JAVA test framework targeting projects that support multiple platforms, in particular Web, Android and iOS. It follows a BDD approach and allows testing against all platforms using the same feature files. JustTestLah's main aim is to make the configuration and the actual test code as easy as possible.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window justtestlah-parent-1.6-RC2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.