Build fix for observed_classes
Build fix for observed_classes

introduced here
bad44e4f8f690039bd0db92ac25f10af536c6e71

Envek/rails,lcreid/rails,shioyama/rails,flanger001/rails,mechanicles/rails,georgeclaghorn/rails,aditya-kapoor/rails,aditya-kapoor/rails,mtsmfm/rails,mtsmfm/railstest,odedniv/rails,fabianoleittes/rails,jeremy/rails,printercu/rails,bradleypriest/rails,tgxworld/rails,kddeisz/rails,ledestin/rails,untidy-hair/rails,samphilipd/rails,arjes/rails,pschambacher/rails,illacceptanything/illacceptanything,esparta/rails,utilum/rails,esparta/rails,bradleypriest/rails,Sen-Zhang/rails,flanger001/rails,amoody2108/TechForJustice,stefanmb/rails,koic/rails,utilum/rails,gavingmiller/rails,sealocal/rails,ttanimichi/rails,yalab/rails,vassilevsky/rails,yahonda/rails,Stellenticket/rails,repinel/rails,brchristian/rails,iainbeeston/rails,mijoharas/rails,bradleypriest/rails,shioyama/rails,rossta/rails,tjschuck/rails,richseviora/rails,Vasfed/rails,matrinox/rails,esparta/rails,hanystudy/rails,voray/rails,travisofthenorth/rails,mohitnatoo/rails,samphilipd/rails,riseshia/railsguides.kr,baerjam/rails,Stellenticket/rails,prathamesh-sonpatki/rails,arjes/rails,MichaelSp/rails,yawboakye/rails,sergey-alekseev/rails,shioyama/rails,Spin42/rails,mechanicles/rails,printercu/rails,ngpestelos/rails,notapatch/rails,BlakeWilliams/rails,mijoharas/rails,MSP-Greg/rails,illacceptanything/illacceptanything,mathieujobin/reduced-rails-for-travis,kenta-s/rails,gauravtiwari/rails,notapatch/rails,schuetzm/rails,fabianoleittes/rails,rossta/rails,kddeisz/rails,ttanimichi/rails,georgeclaghorn/rails,kmcphillips/rails,tijwelch/rails,iainbeeston/rails,illacceptanything/illacceptanything,fabianoleittes/rails,yahonda/rails,illacceptanything/illacceptanything,arunagw/rails,koic/rails,illacceptanything/illacceptanything,kamipo/rails,kachick/rails,amoody2108/TechForJustice,iainbeeston/rails,rafaelfranca/omg-rails,gfvcastro/rails,kenta-s/rails,mijoharas/rails,schuetzm/rails,bogdanvlviv/rails,deraru/rails,lcreid/rails,illacceptanything/illacceptanything,Sen-Zhang/rails,gcourtemanche/rails,kmayer/rails,riseshia/railsguides.kr,elfassy/rails,brchristian/rails,kddeisz/rails,aditya-kapoor/rails,hanystudy/rails,yawboakye/rails,BlakeWilliams/rails,EmmaB/rails-1,illacceptanything/illacceptanything,riseshia/railsguides.kr,stefanmb/rails,tjschuck/rails,Vasfed/rails,lucasmazza/rails,Sen-Zhang/rails,eileencodes/rails,esparta/rails,deraru/rails,MichaelSp/rails,notapatch/rails,rafaelfranca/omg-rails,brchristian/rails,yhirano55/rails,betesh/rails,mtsmfm/railstest,kaspth/rails,joonyou/rails,tijwelch/rails,Spin42/rails,kddeisz/rails,untidy-hair/rails,Erol/rails,kaspth/rails,Erol/rails,Stellenticket/rails,printercu/rails,88rabbit/newRails,printercu/rails,palkan/rails,rails/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,odedniv/rails,mtsmfm/railstest,lucasmazza/rails,hanystudy/rails,Erol/rails,bolek/rails,illacceptanything/illacceptanything,xlymian/rails,vassilevsky/rails,marklocklear/rails,elfassy/rails,travisofthenorth/rails,jeremy/rails,vipulnsward/rails,repinel/rails,riseshia/railsguides.kr,Stellenticket/rails,Vasfed/rails,georgeclaghorn/rails,eileencodes/rails,vipulnsward/rails,arunagw/rails,rbhitchcock/rails,xlymian/rails,kamipo/rails,mathieujobin/reduced-rails-for-travis,kachick/rails,gauravtiwari/rails,lcreid/rails,koic/rails,bogdanvlviv/rails,alecspopa/rails,illacceptanything/illacceptanything,joonyou/rails,matrinox/rails,lcreid/rails,marklocklear/rails,betesh/rails,rossta/rails,pvalena/rails,yhirano55/rails,kmcphillips/rails,baerjam/rails,elfassy/rails,georgeclaghorn/rails,jeremy/rails,prathamesh-sonpatki/rails,richseviora/rails,mathieujobin/reduced-rails-for-travis,yawboakye/rails,repinel/rails,yalab/rails,voray/rails,felipecvo/rails,BlakeWilliams/rails,mohitnatoo/rails,jeremy/rails,Edouard-chin/rails,illacceptanything/illacceptanything,mohitnatoo/rails,yawboakye/rails,88rabbit/newRails,gavingmiller/rails,ngpestelos/rails,rafaelfranca/omg-rails,maicher/rails,pvalena/rails,Erol/rails,assain/rails,arunagw/rails,Spin42/rails,yalab/rails,EmmaB/rails-1,flanger001/rails,alecspopa/rails,ledestin/rails,palkan/rails,sealocal/rails,tjschuck/rails,gfvcastro/rails,Edouard-chin/rails,felipecvo/rails,alecspopa/rails,yhirano55/rails,marklocklear/rails,iainbeeston/rails,illacceptanything/illacceptanything,mtsmfm/rails,gcourtemanche/rails,schuetzm/rails,betesh/rails,vipulnsward/rails,Edouard-chin/rails,gcourtemanche/rails,tjschuck/rails,repinel/rails,felipecvo/rails,tgxworld/rails,pvalena/rails,assain/rails,utilum/rails,gfvcastro/rails,Vasfed/rails,illacceptanything/illacceptanything,MichaelSp/rails,bolek/rails,kmcphillips/rails,baerjam/rails,BlakeWilliams/rails,coreyward/rails,shioyama/rails,travisofthenorth/rails,mtsmfm/rails,Envek/rails,mechanicles/rails,eileencodes/rails,kirs/rails-1,starknx/rails,starknx/rails,flanger001/rails,illacceptanything/illacceptanything,untidy-hair/rails,prathamesh-sonpatki/rails,rbhitchcock/rails,pschambacher/rails,fabianoleittes/rails,schuetzm/rails,untidy-hair/rails,tgxworld/rails,kmayer/rails,stefanmb/rails,yhirano55/rails,yasslab/railsguides.jp,gauravtiwari/rails,joonyou/rails,notapatch/rails,coreyward/rails,tgxworld/rails,kaspth/rails,deraru/rails,baerjam/rails,vassilevsky/rails,gavingmiller/rails,ttanimichi/rails,kamipo/rails,voray/rails,rails/rails,palkan/rails,MSP-Greg/rails,sergey-alekseev/rails,88rabbit/newRails,kachick/rails,MSP-Greg/rails,joonyou/rails,mohitnatoo/rails,pschambacher/rails,utilum/rails,sealocal/rails,palkan/rails,yasslab/railsguides.jp,MSP-Greg/rails,maicher/rails,prathamesh-sonpatki/rails,vipulnsward/rails,yasslab/railsguides.jp,sergey-alekseev/rails,rails/rails,tijwelch/rails,kirs/rails-1,arunagw/rails,aditya-kapoor/rails,yahonda/rails,samphilipd/rails,kmayer/rails,Edouard-chin/rails,maicher/rails,richseviora/rails,betesh/rails,odedniv/rails,deraru/rails,rails/rails,yasslab/railsguides.jp,mechanicles/rails,assain/rails,amoody2108/TechForJustice,kenta-s/rails,yalab/rails,yahonda/rails,assain/rails,bolek/rails,bogdanvlviv/rails,lucasmazza/rails,xlymian/rails,gfvcastro/rails,rbhitchcock/rails,coreyward/rails,starknx/rails,arjes/rails,matrinox/rails,kmcphillips/rails,eileencodes/rails,pvalena/rails,EmmaB/rails-1,travisofthenorth/rails,ngpestelos/rails,Envek/rails,Envek/rails,ledestin/rails,illacceptanything/illacceptanything,kirs/rails-1