db/Retry after deletion

[yito88]

Description

In ScalarDB test, retry after deleting the existing tables for the schema loader failure

Related issues and/or PRs

If this PR addresses or references any issues and/or other PRs, list them here.

Changes made

Add table deletion before the table creation retry

Checklist

The following is a best-effort checklist. If any items in this checklist are not applicable to this PR or are dependent on other, unmerged PRs, please still mark the checkboxes after you have read and understood each item.

• I have commented my code, particularly in hard-to-understand areas.
• I have updated the documentation to reflect the changes.
• Any remaining open issues linked to this PR are documented and up-to-date (Jira, GitHub, etc.).
• Tests (unit, integration, etc.) have been added for the changes.
• My changes generate no new warnings.
• Any dependent changes in other PRs have been merged and published.

Additional notes (optional)

Provide any additional information or notes that may be relevant to the reviewers or stakeholders.

[feeblefakie]

LGTM! Thank you!

[brfrn169]

LGTM! Thank you!

[inv-jishnu]

I have tested the PR change in my local environment. I encountered the issue only once on testing that was during the first time only, the test was successful each time when I executed after that. I have added the details in this slack comment .
Overall LGTM!
Thank you.