Auto merge of #8513 - mrobinson:wpt-ui-summary, r=frewsxcv
Auto merge of #8513 - mrobinson:wpt-ui-summary, r=frewsxcv

Re-print test failures in non-interactive WPT UI

This will make it easier to spot the failures at the bottom of the test
output on the bots.

Fixes #8467.

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DominoTree/servo,nrc/servo,splav/servo,pyfisch/servo,jimberlage/servo,eddyb/servo,cbrewster/servo,peterjoel/servo,SimonSapin/servo,steveklabnik/servo,upsuper/servo,saneyuki/servo,anthgur/servo,thiagopnts/servo,dati91/servo,szeged/servo,DominoTree/servo,paulrouget/servo,notriddle/servo,thiagopnts/servo,DominoTree/servo,dsandeephegde/servo,KiChjang/servo,thiagopnts/servo,paulrouget/servo,saneyuki/servo,ConnorGBrewster/servo,thiagopnts/servo,avadacatavra/servo,avadacatavra/servo,ConnorGBrewster/servo,KiChjang/servo,larsbergstrom/servo,CJ8664/servo,nnethercote/servo,fiji-flo/servo,larsbergstrom/servo,SimonSapin/servo,larsbergstrom/servo,mbrubeck/servo,jimberlage/servo,dsandeephegde/servo,mbrubeck/servo,notriddle/servo,upsuper/servo,paulrouget/servo,larsbergstrom/servo,emilio/servo,anthgur/servo,rnestler/servo,CJ8664/servo,steveklabnik/servo,saneyuki/servo,mattnenterprise/servo,KiChjang/servo,dsandeephegde/servo,steveklabnik/servo,emilio/servo,szeged/servo,dsandeephegde/servo,jimberlage/servo,sadmansk/servo,peterjoel/servo,sadmansk/servo,SimonSapin/servo,eddyb/servo,sadmansk/servo,paulrouget/servo,mattnenterprise/servo,steveklabnik/servo,fiji-flo/servo,splav/servo,cbrewster/servo,eddyb/servo,cbrewster/servo,peterjoel/servo,saneyuki/servo,CJ8664/servo,nrc/servo,upsuper/servo,peterjoel/servo,DominoTree/servo,paulrouget/servo,saneyuki/servo,nrc/servo,splav/servo,canaltinova/servo,thiagopnts/servo,anthgur/servo,cbrewster/servo,paulrouget/servo,paulrouget/servo,eddyb/servo,larsbergstrom/servo,anthgur/servo,nrc/servo,sadmansk/servo,emilio/servo,rnestler/servo,jimberlage/servo,DominoTree/servo,pyfisch/servo,saneyuki/servo,rnestler/servo,dati91/servo,splav/servo,DominoTree/servo,splav/servo,larsbergstrom/servo,cbrewster/servo,pyfisch/servo,splav/servo,CJ8664/servo,ConnorGBrewster/servo,upsuper/servo,pyfisch/servo,anthgur/servo,mbrubeck/servo,peterjoel/servo,nnethercote/servo,ConnorGBrewster/servo,rnestler/servo,steveklabnik/servo,eddyb/servo,splav/servo,notriddle/servo,KiChjang/servo,szeged/servo,dsandeephegde/servo,mattnenterprise/servo,mattnenterprise/servo,ConnorGBrewster/servo,splav/servo,ConnorGBrewster/servo,canaltinova/servo,jimberlage/servo,upsuper/servo,DominoTree/servo,nrc/servo,KiChjang/servo,cbrewster/servo,pyfisch/servo,fiji-flo/servo,nnethercote/servo,fiji-flo/servo,nnethercote/servo,notriddle/servo,jimberlage/servo,pyfisch/servo,SimonSapin/servo,peterjoel/servo,nnethercote/servo,nrc/servo,upsuper/servo,mbrubeck/servo,peterjoel/servo,notriddle/servo,jimberlage/servo,dati91/servo,upsuper/servo,anthgur/servo,notriddle/servo,saneyuki/servo,emilio/servo,dati91/servo,rnestler/servo,canaltinova/servo,pyfisch/servo,sadmansk/servo,notriddle/servo,thiagopnts/servo,fiji-flo/servo,notriddle/servo,szeged/servo,eddyb/servo,thiagopnts/servo,DominoTree/servo,eddyb/servo,KiChjang/servo,paulrouget/servo,dati91/servo,nnethercote/servo,DominoTree/servo,ConnorGBrewster/servo,mattnenterprise/servo,larsbergstrom/servo,emilio/servo,steveklabnik/servo,larsbergstrom/servo,thiagopnts/servo,anthgur/servo,avadacatavra/servo,KiChjang/servo,emilio/servo,SimonSapin/servo,fiji-flo/servo,peterjoel/servo,saneyuki/servo,jimberlage/servo,saneyuki/servo,CJ8664/servo,CJ8664/servo,KiChjang/servo,emilio/servo,canaltinova/servo,szeged/servo,paulrouget/servo,mattnenterprise/servo,mbrubeck/servo,avadacatavra/servo,szeged/servo,mbrubeck/servo,larsbergstrom/servo,mbrubeck/servo,nrc/servo,splav/servo,anthgur/servo,steveklabnik/servo,szeged/servo,nnethercote/servo,mattnenterprise/servo,rnestler/servo,ConnorGBrewster/servo,SimonSapin/servo,saneyuki/servo,cbrewster/servo,rnestler/servo,nnethercote/servo,sadmansk/servo,avadacatavra/servo,peterjoel/servo,nnethercote/servo,splav/servo,fiji-flo/servo,emilio/servo,mbrubeck/servo,upsuper/servo,paulrouget/servo,sadmansk/servo,pyfisch/servo,emilio/servo,dati91/servo,DominoTree/servo,pyfisch/servo,dati91/servo,SimonSapin/servo,emilio/servo,CJ8664/servo,canaltinova/servo,peterjoel/servo,KiChjang/servo,szeged/servo,dsandeephegde/servo,avadacatavra/servo,eddyb/servo,canaltinova/servo,notriddle/servo,notriddle/servo,canaltinova/servo,dsandeephegde/servo,SimonSapin/servo,pyfisch/servo,larsbergstrom/servo,canaltinova/servo,fiji-flo/servo,jimberlage/servo,dati91/servo,mattnenterprise/servo,CJ8664/servo,avadacatavra/servo,szeged/servo,rnestler/servo,KiChjang/servo,sadmansk/servo,szeged/servo,cbrewster/servo,avadacatavra/servo,nnethercote/servo,dsandeephegde/servo