Bug 1152681 - Mark test_parse_mozlog_log as xfail to make Travis green
Bug 1152681 - Mark test_parse_mozlog_log as xfail to make Travis green

We've disabled json log parsing, so we need to temporarily mark the
corresponding test as expected fail.

rail/treeherder,adusca/treeherder,tojonmz/treeherder,kapy2010/treeherder,deathping1994/treeherder,avih/treeherder,akhileshpillai/treeherder,gbrmachado/treeherder,gbrmachado/treeherder,kapy2010/treeherder,jgraham/treeherder,akhileshpillai/treeherder,tojon/treeherder,avih/treeherder,KWierso/treeherder,akhileshpillai/treeherder,KWierso/treeherder,rail/treeherder,vaishalitekale/treeherder,rail/treeherder,kapy2010/treeherder,akhileshpillai/treeherder,sylvestre/treeherder,avih/treeherder,adusca/treeherder,edmorley/treeherder,tojonmz/treeherder,edmorley/treeherder,gbrmachado/treeherder,jgraham/treeherder,avih/treeherder,deathping1994/treeherder,adusca/treeherder,sylvestre/treeherder,akhileshpillai/treeherder,sylvestre/treeherder,sylvestre/treeherder,kapy2010/treeherder,KWierso/treeherder,parkouss/treeherder,KWierso/treeherder,sylvestre/treeherder,vaishalitekale/treeherder,moijes12/treeherder,moijes12/treeherder,avih/treeherder,gbrmachado/treeherder,moijes12/treeherder,parkouss/treeherder,avih/treeherder,tojon/treeherder,deathping1994/treeherder,jgraham/treeherder,gbrmachado/treeherder,akhileshpillai/treeherder,parkouss/treeherder,vaishalitekale/treeherder,adusca/treeherder,deathping1994/treeherder,tojonmz/treeherder,wlach/treeherder,adusca/treeherder,parkouss/treeherder,tojon/treeherder,wlach/treeherder,rail/treeherder,moijes12/treeherder,tojonmz/treeherder,vaishalitekale/treeherder,glenn124f/treeherder,tojonmz/treeherder,jgraham/treeherder,parkouss/treeherder,rail/treeherder,wlach/treeherder,glenn124f/treeherder,wlach/treeherder,deathping1994/treeherder,gbrmachado/treeherder,glenn124f/treeherder,sylvestre/treeherder,edmorley/treeherder,tojonmz/treeherder,edmorley/treeherder,kapy2010/treeherder,vaishalitekale/treeherder,jgraham/treeherder,wlach/treeherder,glenn124f/treeherder,rail/treeherder,vaishalitekale/treeherder,tojon/treeherder,glenn124f/treeherder,deathping1994/treeherder,jgraham/treeherder,parkouss/treeherder,adusca/treeherder,moijes12/treeherder,moijes12/treeherder,glenn124f/treeherder,wlach/treeherder