RFR: 7903977: Feature Tests - Fixing TT_SelectionCE test script

[Dmitry Bessonov]

On Wed, 19 Mar 2025 15:01:29 GMT, Golla Yadav <duke at openjdk.org> wrote:

> Moved base class "TT_SelectionCE.java" to "jthtest" folder from "TestTree" to avoid the failure and ran all the tests on Linux and Mac machine and its working fine.

Marked as reviewed by dbessono (Reviewer).

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PR Review: https://git.openjdk.org/jtharness/pull/94#pullrequestreview-2699675638