Draft: tests: update postman collection to allow get token from parameters and skip generation

Type of change

• Bug Fix
• Feature
• Documentation
• Tests

Does this introduce a change in the core logic?

• [No]

Does this change the cloud provider implementation, and if so, which cloud?

• AWS
• Azure
• GCP
• IBM

Does this introduce a change that must be documented in the README.md file?

• [No]

Updates description?

Adding an environment variable in postman collection to be able to decide if collection will generate token or will be passed as environment variable