Fix met filters in pat

[davidlange6]

75x of the unsch fix #10145

[cmsbuild]

A new Pull Request was created by @davidlange6 (David Lange) for CMSSW_7_5_X.

Fix met filters in pat

It involves the following packages:

Configuration/Applications
FWCore/ParameterSet
PhysicsTools/PatAlgos

@smuzaffar, @Dr15Jones, @monttj, @cmsbuild, @franzoni, @vadler, @davidlange6 can you please review it and eventually sign? Thanks.
@ghellwig, @mmarionncern, @imarches, @ahinzmann, @rappoccio, @wmtan, @TaiSakuma, @wddgit, @Martin-Grunewald, @jdolen, @nhanvtran, @schoef, @ferencek, @gpetruc, @mariadalfonso, @pvmulder, @acaudron this is something you requested to watch as well.
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[davidlange6]

@cmsbuild please test

[cmsbuild]

The tests are being triggered in jenkins.

[davidlange6]

@cmsbuild, please test

[cmsbuild]

-1

Tested at: 14f261a
I found errors in the following unit tests:

---> test TestFWCoreParameterSetDriver had ERRORS

you can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10148/188969/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10148/188969/summary.html

[cmsbuild]

+1
Tested at: a637361
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10148/188980/summary.html

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10148/188980/summary.html