this prevents testing generated classes which depend on third-party jars
it can be fixed using the SourceLocationClassloader class from the Rascal project, which turns a list of source locations to jar files and class folders into a ClassLoader instance.
Mirror::classMirror could also use a list[loc] classpath parameter with similar functionality.
SourceLocationClassloaderclass from the Rascal project, which turns a list of source locations to jar files and class folders into a ClassLoader instance.list[loc] classpathparameter with similar functionality.