* adding quiet option to assert (ansible#27124)
* adding doc for quiet to assert.py
* fixing PEP8 failure
* improving example
* improving docs
* adding changelog fragment
* adding . at end of descriptions
* removing trailing blank line
* adding integration test for assert
* fixing CI complaints
* disabling gather_facts in quiet.yml test
* rerunning to capture skip
* cleaning up python 2 vs 3
* following rebase
* fixing CI complaints
* fixing CI complaints
* fixing CI complaints
* fixing CI complaints
* fixing CI complaints
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