test: simplify dir structure of python-code-code-quality #1828

Job	Run time
ci (kubernetes, ./tests/bin/ci.sh -e 'test(7.\|8.)\|python.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7.' -e 'test7(b.\|c.\|d.\|e.\|f.\|g.\|h.)', ubuntu-la...	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7(b.\|c.\|d.\|e.\|g.\|h.)', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'test7f.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'test8.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'python-code.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'python-language.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/ci.sh -i 'python-universal.*', ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/go.sh, ubuntu-latest)	1s
ci (kubernetes, ./tests/bin/pipelines.sh, ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -e 'test(7.\|8.)\|python.*', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'test7.' -e 'test7(b.\|c.\|d.\|e.\|f.\|g.\|h.)', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'test7(b.\|c.\|d.\|e.\|g.\|h.)', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'test7f.*', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'test8.*', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'python-code.*', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'python-language.*', ubuntu-latest)	1s
ci (local, ./tests/bin/ci.sh -i 'python-universal.*', ubuntu-latest)	1s
ci (local, ./tests/bin/go.sh, ubuntu-latest)	1s
ci (local, ./tests/bin/pipelines.sh, ubuntu-latest)	1s
	20s

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