Fix GEM validation

[calabria]

Fix the issue of the wrong paths used for some of the GEM validation plots.

@dmitrijus @kpedro88

[cmsbuild]

A new Pull Request was created by @calabria (Cesare Calabria) for CMSSW_9_1_X.

It involves the following packages:

Validation/MuonGEMDigis
Validation/MuonGEMHits
Validation/MuonGEMRecHits

@cmsbuild, @dmitrijus, @vanbesien, @davidlange6 can you please review it and eventually sign? Thanks.
@davidlange6 you are the release manager for this.

cms-bot commands are listed here

[dmitrijus]

+1

fixes the issue found by #18562
backport of #18691

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/19757/console Started: 2017/05/11 15:44

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_9_1_X IBs after it passes the integration tests and once validation in the development release cycle CMSSW_9_2_X is complete. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @smuzaffar

[cmsbuild]

+1
Tested at: cd23237
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18690/19757/summary.html

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-18690/19757/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 3359 differences found in the comparisons
• DQMHistoTests: Total files compared: 24
• DQMHistoTests: Total histograms compared: 1830748
• DQMHistoTests: Total failures: 48336
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 1782232
• DQMHistoTests: Total skipped: 180
• DQMHistoTests: Total Missing objects: 0
• Checked 98 log files, 14 edm output root files, 24 DQM output files

[dmitrijus]

@calabria

Hi, you need to make a PR to master branch (9_2_X).

[davidlange6]

+1