[NFC] Add in unit test to lock in the fix for the is_deleted in where…

[seamuslee001]

… clause issue

Overview

This adds in a unit test specifically for the is_deleted field to lock in the fix in #20724

Before

No unit test

After

Unit test

ping @demeritcowboy @colemanw

[civibot]

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[colemanw]

I really don't like tests which directly use the Api4SelectQuery object. That class is for internal use only and we should be able to refactor it without breaking brittle tests which expect it to always stay the same.

Note that the ContactApiKeyTest uses the api instead.

[seamuslee001]

@colemanw have moved it now and also changed it as you have suggested can you check again please

[seamuslee001]

Jenkins re test this please

[colemanw]

Thanks for updating it @seamuslee001. Looks good.