Move test data to test dir

[zmstone]

Got an issue reported to me that rpmbuild in cenotos 8 complains about the python script's shebang is ambiguous about python version.

Then I realise the files in priv are all for tests, keeping them in priv will get packed into releases, so I moved them to test/data

[coveralls]

Pull Request Test Coverage Report for Build 605

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 602:	0.0%
Covered Lines:	1704
Relevant Lines:	1704

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💛 - Coveralls

[k32]

Thank you!