Storage quota change for sts tests in multiSvc

[rajguptavm]

What this PR does / why we need it:
test fix for sts in multiSvc

Which issue this PR fixes (optional, in fixes #(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #
storage quota fix for wcp

Testing done:
YES.
https://gist.github.com/rajguptavm/df3997573f7729e7df6de4560a1095e3
multiVC
https://container-dp.svc.eng.vmware.com/job/MultiVC_BR_3VC_Raj_1_29/20/consoleFull

Special notes for your reviewer:
@kavyashree-r @sipriyaa please review it

[k8s-ci-robot]

Hi @rajguptavm. Thanks for your PR.

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[kavyashree-r]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kavyashree-r, rajguptavm, sipriyaa

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