Fix unittest: avoid using shared /tmp/PixelBaryCentreTool directory

[smuzaffar]

No description provided.

[smuzaffar]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/20013/console Started: 2017/05/22 09:48

[cmsbuild]

A new Pull Request was created by @smuzaffar (Malik Shahzad Muzaffar) for master.

It involves the following packages:

Alignment/TrackerAlignment

@ghellwig, @arunhep, @cerminar, @cmsbuild, @franzoni, @davidlange6 can you please review it and eventually sign? Thanks.
@mschrode, @ghellwig, @mmusich, @tocheng, @tlampen this is something you requested to watch as well.
@davidlange6 you are the release manager for this.

cms-bot commands are listed here

[ghellwig]

+1
thanks @smuzaffar
I remembered that using /tmp would be safe, but apparently it is not.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs after it passes the integration tests. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @smuzaffar

[cmsbuild]

+1
Tested at: 3438dbd
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18876/20013/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
42866e3
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18876/20013/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18876/20013/git-merge-result

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18876/20013/summary.html

Comparison Summary:

• You potentially added 137 lines to the logs
• Reco comparison results: 1690 differences found in the comparisons
• DQMHistoTests: Total files compared: 24
• DQMHistoTests: Total histograms compared: 1832990
• DQMHistoTests: Total failures: 29565
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1803245
• DQMHistoTests: Total skipped: 180
• DQMHistoTests: Total Missing objects: 0
• Checked 98 log files, 14 edm output root files, 24 DQM output files