best-practices

Provide the steps to reproduce

1. Run LH on https://output.jsbin.com/vulerujohi for just

Describe the solution you'd like

Validate test commands arguments before Run. This pattern will allow us to governance behaviors such as flags/arguments validation in all commands. Additionally, this should make the code easier to understand and maintain.

Requirements
Golang basic level.

“How to Implement” suggestion

See [issue](datreeio/datree#4

What and where?
Please give the broken URL. Where is the link located?

Would you like to be assigned to this issue?
Check the box if you will submit a PR to fix this issue. Please read CONTRIBUTING.md.
-KONG [ ] Assign me, please!