gconftool2: using yaml-specified unit tests (#7196)
* gconftool2: using yaml-specified unit tests
* gconftool2_info: using yaml-specified unit tests
* adjust code for skip and xfail
(cherry picked from commit 40cad3e7a9)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
* gconftool2: fix change output
* add changelog frag
* gconftool2: improve visibility on the output
* fix obtaining updated value after `set`
* use issue URL in the changelog fragment
* fix further issues
* fix return value docs + changelog frag
* Update plugins/modules/gconftool2.py
Co-authored-by: Felix Fontein <felix@fontein.de>
* fix return value doc
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Co-authored-by: Felix Fontein <felix@fontein.de>