PackedCandidates.. comment out parts of unit test that are not expected to work given that data are packed upon creation with precision loss (same as #12430)

[slava77]

backport from 80X to 76X

[slava77]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/ib-any-integration/10027/console

[cmsbuild]

A new Pull Request was created by @slava77 (Slava Krutelyov) for CMSSW_7_6_X.

It involves the following packages:

DataFormats/PatCandidates

@cvuosalo, @monttj, @cmsbuild, @slava77, @vadler, @davidlange6 can you please review it and eventually sign? Thanks.
@gpetruc this is something you requested to watch as well.
@slava77, @Degano, @smuzaffar you are the release manager for this.

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[cmsbuild]

+1
Tested at: 24e7650
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12612/10027/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-12612/10027/summary.html

[slava77]

+1

for #12612 24e7650

• changes are in line with the description; maybe a better unit test with knowledge of how roundoffs work out can be added at some point
• jenkins tests passed and now do not generate an error present in IB, e.g., https://cmssdt.cern.ch/SDT/cgi-bin/buildlogs/slc6_amd64_gcc493/CMSSW_7_6_X_2015-11-29-1100/unitTestLogs/DataFormats/PatCandidates

[slava77]

merge

without this we get unnecessary "noise" in integration tests