* Remove non-standard testcase elements: 'file' and 'line'
* Replace testcase element 'skips' with 'skipped'
* Time resolution uses the standard format: 0.000
* Tests use corrected XML output with proper attributes
- I wrote a thing: https://github.com/asottile/dead
- wanted to try it out, there's lots of false positives and I didn't look
through all the things it pointed out but here's some
Just realized while reading the changelog that "junit_time" is not a very good
name, so I decided to open this PR renaming it to "junit_duration_report" which
I believe conveys the meaning of the option better
Using string formatting with the raw escaped object lead to string evaluation
"<py._xmlgen.raw object>"
Format the unescaped string first, then use the XML escape method as a last step.