How to make sure all variables from .env don't override the existing env variables

[Franac1]

Hello,
If I'm correct, I want to automatically set skip_if_set to true for all of my variables from .env.test files.
Is it possible to do? If not, could it be possible :)
Thanks.
Best regards,
Franko

[gaborbernat]

#213

[Franac1]

thank you very much for quick implementation!