[Iceberg]Fix flaky caused by rename view test

[hantangwangd]

Description

Fix #24290

The newly added test method testRenameView() in TestIcebergMetadataListing create tables and views in an existing schema who's metadata would be read and validated in another test method testTableColumnListing(). This will lead to flaky when they are running concurrently in multi-thread environment.

This PR use a dedicated schema in testRenameView(), in this way fix the flaky issue.

Motivation and Context

Fix #24290

Impact

N/A

Test Plan

N/A

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Release Notes

== NO RELEASE NOTE ==