CP algs: Use POOL access for now and unify Athena tests

There are some issues with xAOD access in Athena so let's use POOL access for now.

Also unify muon test with the rest.

PhysicsAnalysis/Algorithms/AsgAnalysisAlgorithms/share/EventAlgorithmsTest_jobOptions.py

@@ -22,7 +22,7 @@ inputfile = {"data": 'ASG_TEST_FILE_DATA',
              "afii": 'ASG_TEST_FILE_MC_AFII'}
 
 # Set up the reading of the input file:
-import AthenaRootComps.ReadAthenaxAODHybrid
+import AthenaPoolCnvSvc.ReadAthenaPool
 theApp.EvtMax = 500
 testFile = os.getenv ( inputfile[dataType] )
 svcMgr.EventSelector.InputCollections = [testFile]