[Enabler] Remove use of shellescape in favor of shlex from test suites

[fernandofloresg]

Is there an existing issue for this?

• [X] There are no existing issues.

Enabler description

In test cases tests/functional/modules/test_zos_encode_func.py and tests/functional/modules/test_zos_blockinfile_func.py, are using from shellescape import quote instead of shlex which is the python integrated utility. This task is to remove them and test both suites.

Ansible module

zos_blockinfile, zos_encode