Change every reflect.DeepEqual to cmp.Diff, cmp.Equal for clarity

[Mu-Magdy]

What this PR does / why we need it:
This PR solves the #2268 issue to change reflect.DeepEqual with cmp.Diff

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #2268

Checklist:

• Docs included if any changes are user facing

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[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Mu-Magdy
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[Mu-Magdy]

solved previous problems

[tenzen-y]

@Mu-Magdy Thank you for this contribution!
But, This is already taken by @tariq-hasan and he is working on it.
So, I'll close this PR. If you take another non-assigned issue, I'd appreciate it!

/close

[google-oss-prow]

@tenzen-y: Closed this PR.

In response to this:

@Mu-Magdy Thank you for this contribution!
But, This is already taken by @tariq-hasan and he is working on it.
So, I'll close this PR. If you take another non-assigned issue, I'd appreciate it!

/close

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