Add lazy tests for `_.first` and `_.last`.
Add lazy tests for `_.first` and `_.last`.

BernhardRode/lodash,tejokumar/lodash,mjosh954/lodash,tgriesser/lodash,lekoaf/lodash,tgriesser/lodash,reggi/lodash,msmorgan/lodash,jshanson7/lodash,andersonaguiar/lodash,codydaig/lodash,hafeez-syed/lodash,codydaig/lodash,justintung/lodash,Jaspersoft/lodash,r14r/fork_javascript_lodash,BernhardRode/lodash,Andrey-Pavlov/lodash,developer-prosenjit/lodash,reggi/lodash,javiosyc/lodash,af7/lodash,prawnsalad/lodash,Moykn/lodash,julianocomg/lodash,youprofit/lodash,mjosh954/lodash,imjerrybao/lodash,beaugunderson/lodash,woldie/lodash,r14r-work/fork_javascript_lodash,polarbird/lodash,andersonaguiar/lodash,jzning-martian/lodash,leolin1229/lodash,dgoncalves1/lodash,ror/lodash,prawnsalad/lodash,hafeez-syed/lodash,lekoaf/lodash,gutenye/lodash,tonyonodi/lodash,xixilive/lodash,dgoncalves1/lodash,Jaspersoft/lodash,zestia/lodash,ricardohbin/lodash,ricardohbin/lodash,ror/lodash,jasnell/lodash,dgoncalves1/lodash,lzheng571/lodash,therebelbeta/lodash,AndBicScadMedia/lodash,tejokumar/lodash,rlugojr/lodash,benweet/lodash,justintung/lodash,neouser99/lodash,javiosyc/lodash,nbellowe/lodash,nbellowe/lodash,nbellowe/lodash,Xotic750/lodash,Xotic750/lodash,therebelbeta/lodash,jacwright/lodash,jasnell/lodash,greyhwndz/lodash,chrootsu/lodash,chrootsu/lodash,hitesh97/lodash,hitesh97/lodash,AneesMohammed/lodash,timruffles/lodash,xixilive/lodash,AndBicScadMedia/lodash,transGLUKator/lodash,phillipalexander/lodash,jzning-martian/lodash,mjosh954/lodash,felixshu/lodash,naoina/lodash,huyinghuan/lodash,zhangguangyong/lodash,Droogans/lodash,stewx/lodash,MaxPRafferty/lodash,nsamarcos/lodash,nsamarcos/lodash,mshoaibraja/lodash,shwaydogg/lodash,xixilive/lodash,af7/lodash,leolin1229/lodash,mshoaibraja/lodash,boneskull/lodash,therebelbeta/lodash,IveWong/lodash,zhangguangyong/lodash,ror/lodash,andersonaguiar/lodash,IveWong/lodash,BernhardRode/lodash,Jaspersoft/lodash,benweet/lodash,tonyonodi/lodash,tquetano-r7/lodash,r14r/fork_javascript_lodash,prawnsalad/lodash,enng0227/lodash,huyinghuan/lodash,tgriesser/lodash,joshuaprior/lodash,zestia/lodash,justintung/lodash,neouser99/lodash,enng0227/lodash,boneskull/lodash,huyinghuan/lodash,Droogans/lodash,lzheng571/lodash,gdi2290/lodash,rtorr/lodash,ajefremovs/lodash,krahman/lodash,developer-prosenjit/lodash,chrootsu/lodash,zestia/lodash,developer-prosenjit/lodash,lzheng571/lodash,ajefremovs/lodash,gdi2290/lodash,jacwright/lodash,bnicart/lodash,polarbird/lodash,rtorr/lodash,lekkas/lodash,ajefremovs/lodash,krahman/lodash,AndBicScadMedia/lodash,imjerrybao/lodash,r14r/fork_javascript_lodash,jasnell/lodash,polarbird/lodash,af7/lodash,beaugunderson/lodash,MaxPRafferty/lodash,studiowangfei/lodash,stewx/lodash,felixshu/lodash,Moykn/lodash,IveWong/lodash,Lottid/lodash,Lottid/lodash,stewx/lodash,bnicart/lodash,ricardohbin/lodash,xiwc/lodash,schnerd/lodash,javiosyc/lodash,PhiLhoSoft/lodash,nsamarcos/lodash,samuelbeek/lodash,greyhwndz/lodash,Andrey-Pavlov/lodash,tquetano-r7/lodash,codydaig/lodash,leolin1229/lodash,woldie/lodash,youprofit/lodash,PhiLhoSoft/lodash,AneesMohammed/lodash,phillipalexander/lodash,jacwright/lodash,hitesh97/lodash,AneesMohammed/lodash,jzning-martian/lodash,samuelbeek/lodash,schnerd/lodash,bnicart/lodash,benweet/lodash,mshoaibraja/lodash,julianocomg/lodash,r14r-work/fork_javascript_lodash,enng0227/lodash,krrg/lodash,phillipalexander/lodash,joshuaprior/lodash,Lottid/lodash,xiwc/lodash,Droogans/lodash,tquetano-r7/lodash,greyhwndz/lodash,hafeez-syed/lodash,jshanson7/lodash,studiowangfei/lodash,lekkas/lodash,schnerd/lodash,gutenye/lodash,timruffles/lodash,julianocomg/lodash,shwaydogg/lodash,joshuaprior/lodash,rtorr/lodash,xiwc/lodash,zhangguangyong/lodash,imjerrybao/lodash,samuelbeek/lodash,jshanson7/lodash,tejokumar/lodash,krrg/lodash,felixshu/lodash,PhiLhoSoft/lodash,timruffles/lodash,naoina/lodash,studiowangfei/lodash,neouser99/lodash,steelsojka/lodash,lekkas/lodash,lekoaf/lodash,krahman/lodash,reggi/lodash,krrg/lodash,gutenye/lodash,Andrey-Pavlov/lodash,Xotic750/lodash,Moykn/lodash,msmorgan/lodash,woldie/lodash,shwaydogg/lodash,r14r-work/fork_javascript_lodash,steelsojka/lodash,transGLUKator/lodash,MaxPRafferty/lodash,transGLUKator/lodash,rlugojr/lodash,youprofit/lodash,naoina/lodash