add prometheus e2ev2 tests

[OliverMKing]

Description

Adds Prometheus tests and modifies current tests to make e2ev2 have all tests that e2ev1 has.

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

This is the test. Ran e2e and it all works.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules

[coveralls]

Pull Request Test Coverage Report for Build 6276744007

• 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 88.718%

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Totals
Change from base Build 6241089287:	0.0%
Covered Lines:	1966
Relevant Lines:	2216

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💛 - Coveralls

[OliverMKing]

/ok-to-test sha=f0e194f

[OliverMKing]

/ok-to-test sha=4010c01

[OliverMKing]

/ok-to-test sha=044277e

[OliverMKing]

/ok-to-test sha=78ac81d

[OliverMKing]

/ok-to-test sha=81d43b8

[OliverMKing]

/ok-to-test sha=8a2ba6b

[OliverMKing]

/ok-to-test sha=b63c9b1