Added Sonarqube JUnit XML format

[vignesh1001]

Hi,
We made some changes in index.js, sonarqube will not display all failures so we made some changes in xml preparation without effecting existing one.
Changed junit xml format preparation to the following way,

< testcase >
< error / >
< /testcase >
< testcase >
< failure />
< /testcase >
instead of
< testcase >
< failure />
< failure />
< error />
< /testcase >

Kindly update this changes, it may useful for sonarqube users.

[vignesh1001]

Hi @eventualbuddha ,
Could you please merge this changes and push it to npm.
Thanks,
Vignesh

[vignesh1001]

This change is very useful for sonarqube user.so please merge this changes.it will not effect the existing flow.

Thanks,
Vignesh

[eventualbuddha]

@vignesh1001 I have no write access to this repository and am not a maintainer of it. You'd be better off asking @vojtajina.

[vignesh1001]

Hi @vojtajina ,
Could you please merge this commit and push it to npm.
Thanks,
Vignesh

[ReToCode]

Any updates on this?

[dignifiedquire]

This needs rebasing onto latest master and cleanup to make CI pass first.

[ReToCode]

Yep :) Is anyone going to do this soon? @vignesh1001 maybe?

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