Add UT for util/pkg/proxy/proxy.go

[tiendc]

Signed-off-by: Dao Cong Tien tiendc@vn.fujitsu.com

[k8s-ci-robot]

Hi @tiendc. Thanks for your PR.

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[rifelpet]

/ok-to-test

[justinsb]

We might want to catch it in validation, but this seems a reasonable translation at this layer!

[justinsb]

Thanks @tiendc - looks great!

I do wonder whether people expect https_proxy to use https, but this is a good test that shows the current state of the mapping.

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: justinsb, tiendc

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[johngmyers]

/retest

[johngmyers]

/retest