[Regression] Incorrect filename in test case comment

Hi,

While browsing the test cases, found that the incorrect filename was there
in the test case comment.
The below commit added the custom hash opclass in insert.sql,

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*commit fafec4cce814b9b15991b62520dc5e5e84655a8aAuthor: Alvaro Herrera
<alvherre(at)alvh(dot)no-ip(dot)org <alvherre(at)alvh(dot)no-ip(dot)org>>Date: Fri Apr 13
12:27:22 2018 -0300 Use custom hash opclass for hash partition pruning*
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and later below commit moved those to test_setup.sql

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*commit cc50080a828dd4791b43539f5a0f976e535d147cAuthor: Tom Lane
<tgl(at)sss(dot)pgh(dot)pa(dot)us <tgl(at)sss(dot)pgh(dot)pa(dot)us>>Date: Tue Feb 8 15:30:38 2022
-0500*

* Rearrange core regression tests to reduce cross-script dependencies. *
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but we haven't changed the filename in other test cases.
Did the same in the attached patch.

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Thanks & Regards,
Suraj kharage,

edbpostgres.com