[Enabler][test_zos_fetch_func] Update test suites on functional/modules/test_zos_fetch_func.py to be pylint correct (#1458)

* Update test suites on functional/module-utils/test_zos_data_set_func.py to be pylint correct

* Correct functional/modules/test_zos_data_set_func.py

* Correct functional/modules/test_zos_data_set_func.py

* Update test suites on functional/modules/test_zos_fetch_func.py to be pylint correct

* Update test_zos_fetch_func.py

* Remove use of 'pass'

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Co-authored-by: André Marcel Gutiérrez Benítez <[email protected]>
Co-authored-by: Ivan Moreno <[email protected]>

Author: 3 people