File upload1 = new File(file1Path);
File upload2 = new File(file2Path);
MockRequest request = container.getRequest();
// Add couple of files to be uploaded
request.addFile("upload1", upload1, "utf-8");
request.addFile("upload2", upload2, "utf-8");
// Set firstname and lastname request parameters
request.setParameter("firstname", firstname);
request.setParameter("lastname", lastname);