cherry-pick(fix, travis): clone relevant cstor based on base path

Signed-off-by: mittachaitu sai.chaithanya@mayadata.io

Pull Request template

What this PR does?: This PR is cherry-pick of #72

Does this PR require any upgrade changes?:

If the changes in this PR are manually verified, list down the scenarios covered and commands you used for testing with logs:

Any additional information for your reviewer?: Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

[ ] Fixes #
[ ] PR Title follows the convention of <type>(<scope>): <subject>
[ ] Has the change log section been updated?
[ ] Commit has unit tests
[ ] Commit has integration tests
[ ] (Optional) Are upgrade changes included in this PR? If not, mention the issue/PR to track:
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