Fix bug with comparison and pointers

[nunnatsa]

Description

When comapring two pointrs like this: Expect(p1 != p2).To(BeTrue())

For go, it means comparing the addresses. The linter changes this to

Expect(p1).ToNot(Equal(p2)).

But in this case gomega compares the values pointed by the pointers.

This PR fixes this issue by using the BeIdenticalTo matcher in case of pointers coparison.

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• [x] Added test case and related test data
• [x] Update the functional test

Checklist:

• [x] I have performed a self-review of my own code
• [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] I ran golangci-lint

@nunnatsa

[coveralls]

Pull Request Test Coverage Report for Build 4283956628

• 11 of 11 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 86.739%

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Totals
Change from base Build 4280731613:	0.1%
Covered Lines:	641
Relevant Lines:	739

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💛 - Coveralls