Update DOMCount to Xerces 3x

[ianna]

A copy of Xerces example used for validation tests

[cmsbuild]

A new Pull Request was created by @ianna (Ianna Osborne) for CMSSW_8_1_X.

It involves the following packages:

DetectorDescription/RegressionTest

@civanch, @Dr15Jones, @ianna, @mdhildreth, @cmsbuild, @davidlange6 can you please review it and eventually sign? Thanks.
@slava77, @Degano, @smuzaffar you are the release manager for this.

cms-bot commands are list here #13028

[ianna]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/13579/console

[cmsbuild]

-1

Tested at: 5887453

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14917/13579/summary.html

I found follow errors while testing this PR

Failed tests: UnitTests

• Unit Tests:

I found errors in the following unit tests:

---> test DetectorDescriptionRegressionTestDOMCount had ERRORS

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14917/13579/summary.html

[ianna]

The error is fixed by #14906

[ianna]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/13605/console

[cmsbuild]

+1
Tested at: 5887453
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14917/13605/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-14917/13605/summary.html

[ianna]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_8_1_X IBs (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @slava77, @davidlange6, @Degano, @smuzaffar

[davidlange6]

+1