test() - add unit tests for cmd-util.go (0% ➝ ~70% coverage).

[yuvraj-kolkar17]

Description

Added unit tests for pkg/cmd-util.go to increase coverage from 0% to ~70%.
Test cases include:

• Setting CLI options
• Validating default and enterprise configurations
• Checking for invalid profiles and missing controller names

Part of the #46

How Has This Been Tested?

Local Testing :

go test ./pkg -v
go test ./pkg -cover

Before Coverage	After Coverage

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR requires documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested it for all user roles.
• I have added all the required unit test cases.

Does this PR introduce a breaking change?

[yuvraj-kolkar17]

PTAL @priyupadhyay @narmidm @Rahul-D78 @gourishkb

[narmidm]

LGTM