Assert that `domain_match` is operating on lowercase text
Assert that `domain_match` is operating on lowercase text

> (Note that both the domain string and the string will have been
> canonicalized to lower case at this point.)

Related to #15789

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