Fix etag expectation to work with the SHA256
Fix etag expectation to work with the SHA256

It is related with https://github.com/rack/rack/commit/7b66d2cdb80a4d6b44fa8c61d92e25fbbda1f152

Stellenticket/rails,matrinox/rails,lcreid/rails,felipecvo/rails,tjschuck/rails,gavingmiller/rails,stefanmb/rails,georgeclaghorn/rails,kmcphillips/rails,arjes/rails,richseviora/rails,gfvcastro/rails,yasslab/railsguides.jp,voray/rails,koic/rails,sealocal/rails,deraru/rails,illacceptanything/illacceptanything,kmayer/rails,mtsmfm/railstest,hanystudy/rails,printercu/rails,felipecvo/rails,eileencodes/rails,vipulnsward/rails,BlakeWilliams/rails,baerjam/rails,arunagw/rails,Sen-Zhang/rails,betesh/rails,coreyward/rails,pschambacher/rails,kirs/rails-1,betesh/rails,felipecvo/rails,tijwelch/rails,prathamesh-sonpatki/rails,betesh/rails,kenta-s/rails,riseshia/railsguides.kr,sergey-alekseev/rails,Sen-Zhang/rails,gcourtemanche/rails,MichaelSp/rails,travisofthenorth/rails,aditya-kapoor/rails,bradleypriest/rails,repinel/rails,utilum/rails,yasslab/railsguides.jp,rossta/rails,jeremy/rails,Edouard-chin/rails,jeremy/rails,kaspth/rails,Envek/rails,pschambacher/rails,gfvcastro/rails,ttanimichi/rails,rails/rails,gcourtemanche/rails,brchristian/rails,deraru/rails,arunagw/rails,iainbeeston/rails,vipulnsward/rails,esparta/rails,shioyama/rails,eileencodes/rails,utilum/rails,riseshia/railsguides.kr,alecspopa/rails,MichaelSp/rails,richseviora/rails,mijoharas/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,riseshia/railsguides.kr,rbhitchcock/rails,flanger001/rails,baerjam/rails,joonyou/rails,illacceptanything/illacceptanything,eileencodes/rails,kaspth/rails,tijwelch/rails,Vasfed/rails,ngpestelos/rails,sealocal/rails,rossta/rails,marklocklear/rails,bolek/rails,Spin42/rails,Erol/rails,schuetzm/rails,shioyama/rails,brchristian/rails,palkan/rails,arjes/rails,georgeclaghorn/rails,starknx/rails,kenta-s/rails,jeremy/rails,lcreid/rails,illacceptanything/illacceptanything,fabianoleittes/rails,prathamesh-sonpatki/rails,Vasfed/rails,untidy-hair/rails,samphilipd/rails,shioyama/rails,voray/rails,gavingmiller/rails,illacceptanything/illacceptanything,ttanimichi/rails,Erol/rails,mtsmfm/rails,kmcphillips/rails,odedniv/rails,rossta/rails,yawboakye/rails,mtsmfm/railstest,odedniv/rails,mohitnatoo/rails,assain/rails,illacceptanything/illacceptanything,printercu/rails,illacceptanything/illacceptanything,mathieujobin/reduced-rails-for-travis,gauravtiwari/rails,odedniv/rails,mechanicles/rails,EmmaB/rails-1,mtsmfm/rails,prathamesh-sonpatki/rails,gfvcastro/rails,Vasfed/rails,MSP-Greg/rails,schuetzm/rails,utilum/rails,gauravtiwari/rails,kddeisz/rails,gauravtiwari/rails,Erol/rails,schuetzm/rails,flanger001/rails,ngpestelos/rails,matrinox/rails,mechanicles/rails,gfvcastro/rails,eileencodes/rails,mathieujobin/reduced-rails-for-travis,xlymian/rails,utilum/rails,maicher/rails,mtsmfm/rails,repinel/rails,mtsmfm/railstest,kirs/rails-1,bradleypriest/rails,printercu/rails,MSP-Greg/rails,richseviora/rails,pvalena/rails,baerjam/rails,esparta/rails,notapatch/rails,schuetzm/rails,tijwelch/rails,coreyward/rails,mijoharas/rails,pvalena/rails,kaspth/rails,kirs/rails-1,coreyward/rails,samphilipd/rails,Erol/rails,yahonda/rails,rails/rails,flanger001/rails,illacceptanything/illacceptanything,kachick/rails,yahonda/rails,assain/rails,vipulnsward/rails,xlymian/rails,sergey-alekseev/rails,yalab/rails,ledestin/rails,kmcphillips/rails,fabianoleittes/rails,esparta/rails,kamipo/rails,repinel/rails,yhirano55/rails,deraru/rails,xlymian/rails,hanystudy/rails,BlakeWilliams/rails,yasslab/railsguides.jp,betesh/rails,kmcphillips/rails,arunagw/rails,untidy-hair/rails,mohitnatoo/rails,bogdanvlviv/rails,lcreid/rails,mohitnatoo/rails,stefanmb/rails,marklocklear/rails,rbhitchcock/rails,assain/rails,lucasmazza/rails,yahonda/rails,voray/rails,Envek/rails,alecspopa/rails,Sen-Zhang/rails,marklocklear/rails,sergey-alekseev/rails,pvalena/rails,jeremy/rails,matrinox/rails,sealocal/rails,palkan/rails,kachick/rails,yalab/rails,assain/rails,mechanicles/rails,Envek/rails,arjes/rails,iainbeeston/rails,pschambacher/rails,rbhitchcock/rails,koic/rails,tgxworld/rails,rafaelfranca/omg-rails,printercu/rails,mechanicles/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,Stellenticket/rails,yhirano55/rails,samphilipd/rails,bogdanvlviv/rails,aditya-kapoor/rails,iainbeeston/rails,joonyou/rails,lucasmazza/rails,ledestin/rails,prathamesh-sonpatki/rails,Edouard-chin/rails,kamipo/rails,kenta-s/rails,Stellenticket/rails,rails/rails,palkan/rails,georgeclaghorn/rails,alecspopa/rails,Vasfed/rails,kachick/rails,pvalena/rails,elfassy/rails,ttanimichi/rails,arunagw/rails,shioyama/rails,mijoharas/rails,mathieujobin/reduced-rails-for-travis,illacceptanything/illacceptanything,tgxworld/rails,EmmaB/rails-1,georgeclaghorn/rails,yawboakye/rails,untidy-hair/rails,gavingmiller/rails,kamipo/rails,stefanmb/rails,brchristian/rails,starknx/rails,travisofthenorth/rails,Edouard-chin/rails,iainbeeston/rails,kddeisz/rails,bolek/rails,kmayer/rails,tjschuck/rails,Stellenticket/rails,tgxworld/rails,starknx/rails,illacceptanything/illacceptanything,maicher/rails,vipulnsward/rails,gcourtemanche/rails,mohitnatoo/rails,notapatch/rails,kmayer/rails,MSP-Greg/rails,EmmaB/rails-1,fabianoleittes/rails,tjschuck/rails,tjschuck/rails,deraru/rails,yhirano55/rails,rafaelfranca/omg-rails,ngpestelos/rails,lucasmazza/rails,elfassy/rails,rafaelfranca/omg-rails,repinel/rails,aditya-kapoor/rails,esparta/rails,yhirano55/rails,kddeisz/rails,Edouard-chin/rails,hanystudy/rails,joonyou/rails,bolek/rails,illacceptanything/illacceptanything,maicher/rails,kddeisz/rails,travisofthenorth/rails,notapatch/rails,illacceptanything/illacceptanything,untidy-hair/rails,fabianoleittes/rails,ledestin/rails,elfassy/rails,flanger001/rails,MichaelSp/rails,yawboakye/rails,travisofthenorth/rails,yalab/rails,yasslab/railsguides.jp,bradleypriest/rails,notapatch/rails,Spin42/rails,yawboakye/rails,baerjam/rails,lcreid/rails,palkan/rails,tgxworld/rails,riseshia/railsguides.kr,BlakeWilliams/rails,rails/rails,illacceptanything/illacceptanything,yalab/rails,bogdanvlviv/rails,Spin42/rails,illacceptanything/illacceptanything,yahonda/rails,Envek/rails,MSP-Greg/rails,koic/rails,aditya-kapoor/rails,joonyou/rails