and: "a zip archive in the root with many files with the same content, so that the editing won't finish too quickly"
        createZip('test.zip') {
            for (int i = 0; i < 1000; i++) {
                "subdir1$i" {
                    file('file1.txt').text = 'original'
                }
                "subdir2$i" {
                    file('file2.txt').text = 'original'
                    file('file3.txt').text = 'original'