Summary:
Inserting 10000 rows seems to be too slow for TSAN builds, this diff reduces
the number of rows to 1000
Jira: DB-13256

Test Plan: Jenkins: test regex: UniqueRpcRequestId

Reviewers: ishan.chhangani

Reviewed By: ishan.chhangani

Subscribers: svc_phabricator, ybase

Differential Revision: https://phorge.dev.yugabyte.com/D39043