}
            }
        });
    }

    private static List<String> ps() {
        return run(determinePsCommand()).assertZeroExit().stdout.lines().collect(Collectors.toList());
    }

    private static String[] determinePsCommand() {
        if (isWindows()) {
            return new String[]{"wmic", "process", "get", "processid,commandline"};
        } else if (isMacOS()) {

        numberOfBuckets,
        MAX_TEST_PROJECTS_PER_BUCKET,
        { numEmptyBuckets -> (0 until numEmptyBuckets).map { EmptyTestProjectBucket(it) }.toList() },
        { tests1, tests2 -> tests1 != tests2 }
    )
}