chore: remove ClusterID from user input

[krkeshav]

Fixes #130

Description

How was this change tested?

• Tested by running UT tests

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: # 130
• No

Release Note

Stopped reading ClusterID as an input from env variable and modified the tests accordingly.

[krkeshav]

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[Bryce-Soghigian]

/test

[coveralls]

Pull Request Test Coverage Report for Build 8215590779

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.03%) to 97.716%

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Totals
Change from base Build 8194965275:	0.03%
Covered Lines:	35593
Relevant Lines:	36425

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💛 - Coveralls

[krkeshav]

/test

[Bryce-Soghigian]

/test

[Bryce-Soghigian]

Testing locally looks like it behaves as we would expect. Still seeing some flake on utilization. If it passes we are good to merge.

[Bryce-Soghigian]

/test