ci: move tests out from integration suite

[jigisha620]

Fixes #N/A

Description
This PR moves some tests out from integration test suite to separate test suites in an attempt to reduce the time taken by integration test suite to finish running. With these changes the time taken by the following suites to finish is -

1. Integration - 1h13m
2. AMI - 22m
3. Storage - 14m
4. Scheduling - 34m

How was this change tested?
/karpenter snapshot

Does this change impact docs?

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

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[coveralls]

Pull Request Test Coverage Report for Build 9456466752

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 3 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.05%) to 82.474%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/providers/amifamily/ami.go	1	90.56%
pkg/fake/utils.go	2	94.56%

Totals
Change from base Build 9455586426:	-0.05%
Covered Lines:	5553
Relevant Lines:	6733

---

💛 - Coveralls

[engedaam]

I just have few nits

[github-actions]

This PR has been inactive for 14 days. StaleBot will close this stale PR after 14 more days of inactivity.

[engedaam]

LGTM 🚀