StandardSlicer.go

ChmodHelper Integrated Tests for Unix, Refactor Interfaces

## Introduction

ChmodHelper Integrated Tests for Unix, Refactor Interfaces

Note: [Template Reference](https://hackmd.io/@akarimevatix/H1Qsmq23w)

## Worked on Items

- [x] #45 - Write Tests for PathChmods
- [x] #47 - Refactor interfaces
- [x] #48 - add integrated test for chmodhelper

## TODOs

- [ ] #46 - Use the temp dir for testing

## References

- N/A

## Notes

- N/A

See merge request !45