[QA CALLFORREV​IEW] ][Autom​ation][uno​]: Test script for New, Save and Export document in swriter

[Xiao Ting Xiao]

Hi all,

I've created a patch to automate new, save and export document in swriter
via Uno api.
The patch is here:
https://issues.apache.org/ooo/show_bug.cgi?id=120561

Please help review it. Thanks