Change usec to 0 on tests that compare seconds
Change usec to 0 on tests that compare seconds

Avoid rounding problems with `.usec` method rounding the seconds when the
field doesn't persist the `.usec` piece.

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