feat: Add NDm A100 e2e coverage and support setting region/subscription at scenario-level

[lilypan26]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• [ ] uses conventional commit messages
• [ ] includes documentation
• [ ] adds unit tests
• [ ] tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[coveralls]

Pull Request Test Coverage Report for Build 10048337257

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 71.021%

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Totals
Change from base Build 10040672686:	0.0%
Covered Lines:	2566
Relevant Lines:	3613

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 10082583944

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 71.021%

---

Totals
Change from base Build 10080970692:	0.0%
Covered Lines:	2566
Relevant Lines:	3613

---

💛 - Coveralls