WLDI : Added few more testcase automation.

[bn023052]

What this PR does / why we need it:
Added additional testcases for the WLDI feature, which includes negative scenarios.

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #
Added additional testcases for the WLDI feature, which includes negative scenarios.

Testing done:
Yes.
https://gist.github.com/bn023052/2fb693e507250b9d40085e724fa3024d

Special notes for your reviewer:
nayakb@RKJX93P79D vsphere-csi-driver % /Users/nayakb/go/bin/golangci-lint run --enable=lll --timeout 10m
nayakb@RKJX93P79D vsphere-csi-driver %

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: bn023052
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• tests/e2e/OWNERS

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[k8s-ci-robot]

Hi @bn023052. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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