test_davinci_tupling_array_taggers / test_davinci-issue-97_bkgcat_mc-truth is failing intermittently

test_davinci_tupling_array_taggers is failing intermittently. This is preventing the non-forced reference update from succeeding.

Different set of Counters for algo Unpack_Spruce__Event_Spruce_HLT2...2
    Ref has 3 Counters, found 4 of them in stdout
    Counters in stdout and not in ref : ['# Linked BufferData']
Different content of Counters for algo Unpack_Spruce__Event_Spruce_Spru...
    (Unpack_Spruce__Event_Spruce_Spru... ref) # Linked BufferData | 120 | 113470 | 945.58
    (Unpack_Spruce__Event_Spruce_Spru... new) # Linked BufferData | 60 | 17198 | 286.63

Similarly for test_davinci-issue-97_bkgcat_mc-truth

Different content of Counters for algo Unpack_Hlt2__Event_HLT2_Hlt2Lb2JpsiLambda_Particles
    (Unpack_Hlt2__Event_HLT2_Hlt2Lb2JpsiLambda_Particles ref) # Linked BufferData | 64 | 32530 | 508.28
    (Unpack_Hlt2__Event_HLT2_Hlt2Lb2JpsiLambda_Particles new) # Linked BufferData | 32 | 8502 | 265.69
Different set of Counters for algo Unpack_Hlt2__Event_HLT2_Relations_ChargedPP2MCP
    Ref has 3 Counters, found 4 of them in stdout
    Counters in stdout and not in ref : ['# Linked BufferData']

Some examples:

Also reported in this issue: #215 (closed)

Edited by Mark Smith