* according to the filter specific on the command line (if any).
*/
private Class<?>[] findEnd2EndTestClasses()
throws ClassNotFoundException, LinkageError, IOException {
End2EndFileNameFilter nameFilter = new End2EndFileNameFilter();
ClassFinder classFinder = new ClassFinder(null, nameFilter, end2endTestFilter);
Set<Class<?>> classes = classFinder.findClasses("org.apache.phoenix.end2end", true);
return classes.toArray(new Class<?>[classes.size()]);
}