Modify TestStatCall to check if ModTime is increasing
Modify TestStatCall to check if ModTime is increasing

Also removed ModTime checks on directories as it is not
required and some drivers might fail to provide it.

Signed-off-by: Ahmet Alp Balkan <787aefc6cbd2e3e8663c1f03b44afee9126bfa5e@gmail.com>

convox/distribution,bdwill/docker.github.io,troy0820/docker.github.io,zerosign/distribution,baloo/distribution,gierschv/distribution,Seb-Solon/distribution,deis/distribution,aaronlehmann/distribution,mattmoor/distribution,dalanlan/distribution,mboersma/distribution,konnase/distribution,spacexnice/distribution,anweiss/docker.github.io,jpoler/distribution,lcarstensen/distribution,hpcloud/distribution,RichardScothern/distribution,rillig/docker.github.io,Tiesheng/distribution,mattmoor/distribution,bobphill/distribution,liubin/distribution,djenriquez/distribution,anweiss/docker.github.io,dalanlan/distribution,baloo/distribution,anweiss/docker.github.io,jonboulle/distribution,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,convox/distribution,andrewnguyen/distribution,ChenLingPeng/distribution,bxy09/distribution,GerritForge/docker-registry,rbarlow/distribution,mikebrow/distribution,wangmingshuai/distribution,aybabtme/distribution,harche/distribution,manoj535/distribution,denverdino/denverdino.github.io,denverdino/distribution,dv/distribution,Tiesheng/distribution,aduermael/docker.github.io,Gobliip/distribution,LouisKottmann/distribution,sanscontext/docker.github.io,moxiegirl/distribution,denverdino/docker.github.io,arvindkandhare/distribution,danix800/docker.github.io,endophage/distribution,JimGalasyn/docker.github.io,jramseye/distribution,thelinuxkid/distribution,jackpgriffin/distribution,jackpgriffin/distribution,rochacon/distribution,konnase/distribution,JimGalasyn/docker.github.io,sadlil/distribution,thaJeztah/distribution,denverdino/distribution-stevvooe,ibuildthecloud/distribution,amitshukla/distribution,cezarsa/distribution,arneluehrs/distribution,docker/distribution,tian-xiaobo/distribution,gorcz/distribution,paulczar/distribution,zhangcoldwater/distribution,donhcd/distribution,londoncalling/docker.github.io,denverdino/docker.github.io,JimGalasyn/docker.github.io,johnstep/docker.github.io,dmp42/distribution,higebu/distribution,atyenoria/distribution,denverdino/denverdino.github.io,alexisbellido/docker.github.io,bdwill/docker.github.io,anweiss/docker.github.io,denverdino/denverdino.github.io,rodacom/docker-hub,lindenlab/distribution,avinson/distribution,sthapaun/distribution,LouisKottmann/distribution,menglingwei/denverdino.github.io,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,sergeyfd/distribution,stevvooe/distribution,armbuilds/distribution,Gobliip/distribution,sallyom/distribution,thaJeztah/docker.github.io,n1tr0g/distribution,gdevillele/docker.github.io,jzwlqx/distribution,imranraja85/distribution,phiroict/docker,denverdino/distribution-fuse,sanscontext/docker.github.io,CodeJuan/distribution,alexisbellido/docker.github.io,harche/distribution,joaofnfernandes/docker.github.io,codefresh-io/cf-distribution,miminar/distribution,Seb-Solon/distribution,rhoml/distribution,lorieri/distribution,docker/docker.github.io,mboersma/distribution,atyenoria/distribution,liubin/distribution,bpradipt/distribution,ChenLingPeng/distribution,danix800/docker.github.io,RyanDeng/distribution,tdooner/distribution,joeuo/docker.github.io,dave-tucker/distribution,wking/docker-distribution,wangmingshuai/distribution,dmcgowan/distribution,curtiszimmerman/distribution,johnstep/docker.github.io,sergeyfd/distribution,shubheksha/docker.github.io,aduermael/docker.github.io,docker-zh/docker.github.io,sallyom/distribution,bdwill/docker.github.io,BrianBland/distribution,ibuildthecloud/distribution,13W/distribution,zhaytee/distribution,mikebrow/distribution,gdevillele/docker.github.io,docker/distribution,jlhawn/distribution,nateww/distribution,jmitchell/distribution,iskradelta/distribution,londoncalling/docker.github.io,tt/distribution,apuigsech/distribution,xiekeyang/distribution,irachex/distribution,zhangcoldwater/distribution,denverdino/denverdino.github.io,yuwaMSFT2/distribution,joaofnfernandes/docker.github.io,shin-/docker.github.io,gdevillele/docker.github.io,gdevillele/docker.github.io,joeuo/docker.github.io,bigsurge/distribution,higebu/distribution,runcom/distribution,yuwaMSFT2/distribution,stevvooe/distribution,RyanDeng/distribution,yeghishe/distribution,sadlil/distribution,arneluehrs/distribution,calavera/distribution,beni55/distribution,docker/docker.github.io,schu/distribution,amitshukla/distribution,sebrandon1/distribution,gavioto/distribution,rhoml/distribution,RichardScothern/distribution,estesp/distribution,nwt/distribution,joaofnfernandes/docker.github.io,danix800/docker.github.io,LuisBosquez/docker.github.io,gavioto/distribution,bsmr-docker/distribution,CodeJuan/distribution,dv/distribution,bsmr-docker/distribution,docker-zh/docker.github.io,aibaars/distribution,zerosign/distribution,manoj535/distribution,bdwill/docker.github.io,uptownhr/distribution,dave-tucker/distribution,jramseye/distribution,aaronlehmann/distribution,gorcz/distribution,bpradipt/distribution,thaJeztah/docker.github.io,mbentley/distribution,sanscontext/docker.github.io,jpoler/distribution,lorieri/distribution,docker/docker.github.io,xiekeyang/distribution,pdevine/distribution,sanscontext/docker.github.io,denverdino/docker.github.io,andrewnguyen/distribution,alexisbellido/docker.github.io,ContainerSolutions/distribution,aduermael/docker.github.io,duglin/distribution,cyli/distribution,johnstep/docker.github.io,hanleys/distribution,docker-zh/docker.github.io,docker-zh/docker.github.io,harrisonfeng/distribution,armbuilds/distribution,rillig/docker.github.io,spacexnice/distribution,dobril-stanga/distribution,noxiouz/distribution,JimGalasyn/docker.github.io,championv/distribution,gdevillele/docker.github.io,dmcgowan/distribution,tschoots/distribution,linearregression/distribution,n1tr0g/distribution,bigsurge/distribution,BradleyA/distribution,iskradelta/distribution,anweiss/docker.github.io,tschoots/distribution,apuigsech/distribution,aybabtme/distribution,BrianBland/distribution,kmala/distribution,cezarsa/distribution,lebauce/distribution,denverdino/denverdino.github.io,BSWANG/denverdino.github.io,jrjang/distribution,jordimassaguerpla/distribution,aduermael/docker.github.io,shyr/distribution,hanleys/distribution,tt/distribution,LuisBosquez/docker.github.io,deis/distribution,joeuo/docker.github.io,championv/distribution,lcarstensen/distribution,mattrgreen/distribution,orivej/distribution,denverdino/docker.github.io,dobril-stanga/distribution,thaJeztah/docker.github.io,shubheksha/docker.github.io,hopkings2008/distribution,jonboulle/distribution,qiniu/distribution,pdevine/distribution,mbentley/distribution,schu/distribution,orivej/distribution,jordimassaguerpla/distribution,alexisbellido/docker.github.io,linearregression/distribution,menglingwei/denverdino.github.io,docker/docker.github.io,jlhawn/distribution,djenriquez/distribution,BradleyA/distribution,shyr/distribution,jzwlqx/denverdino.github.io,uptownhr/distribution,nwt/distribution,vdemeester/distribution,jzwlqx/denverdino.github.io,BSWANG/denverdino.github.io,irachex/distribution,genedock/distribution,codefresh-io/cf-distribution,dtromb/distribution,danix800/docker.github.io,londoncalling/docker.github.io,LuisBosquez/docker.github.io,whyrusleeping/distribution,vdemeester/distribution,BrickXu/distribution,menglingwei/denverdino.github.io,rbarlow/distribution,rillig/docker.github.io,huamai-io/distribution,arvindkandhare/distribution,imranraja85/distribution,hpcloud/distribution,RaviTezu/distribution,yeghishe/distribution,jzwlqx/distribution,joeuo/docker.github.io,troy0820/docker.github.io,wking/docker-distribution,shin-/docker.github.io,shin-/docker.github.io,joeuo/docker.github.io,rillig/docker.github.io,londoncalling/docker.github.io,whyrusleeping/distribution,runcom/distribution,huamai-io/distribution,noxiouz/distribution,AoJ/distribution,jhicks-camgian/distribution,tdooner/distribution,thelinuxkid/distribution,nevermosby/distribution,aprajshekhar/distribution,harrisonfeng/distribution,aibaars/distribution,jzwlqx/denverdino.github.io,shubheksha/docker.github.io,estesp/distribution,paulczar/distribution,johnstep/docker.github.io,hopkings2008/distribution,denverdino/docker.github.io,jhicks-camgian/distribution,docker/docker.github.io,denverdino/distribution-stevvooe,13W/distribution,BSWANG/denverdino.github.io,thaJeztah/docker.github.io,maquanyi/distribution,adambrett-forks/distribution,dtromb/distribution,curtiszimmerman/distribution,lindenlab/distribution,JimGalasyn/docker.github.io,maquanyi/distribution,thaJeztah/distribution,LuisBosquez/docker.github.io,beni55/distribution,joaofnfernandes/docker.github.io,tian-xiaobo/distribution,thaJeztah/docker.github.io,jwhonce/distribution,dmp42/distribution,phiroict/docker,BrickXu/distribution,aprajshekhar/distribution,RaviTezu/distribution,zhaytee/distribution,johnstep/docker.github.io,bdwill/docker.github.io,mattrgreen/distribution,londoncalling/docker.github.io,phiroict/docker,denverdino/distribution,BSWANG/denverdino.github.io,rodacom/docker-hub,rochacon/distribution,nateww/distribution,jzwlqx/denverdino.github.io,sebrandon1/distribution,troy0820/docker.github.io,qiniu/distribution,phiroict/docker,shubheksha/docker.github.io,ContainerSolutions/distribution,jrjang/distribution,phiroict/docker,cyli/distribution,duglin/distribution,shin-/docker.github.io,humble00/distribution,shin-/docker.github.io,jwhonce/distribution,calavera/distribution,GerritForge/docker-registry,bobphill/distribution,denverdino/distribution-fuse,lebauce/distribution,sanscontext/docker.github.io,jmitchell/distribution,genedock/distribution,kmala/distribution,shubheksha/docker.github.io,miminar/distribution,nevermosby/distribution,AoJ/distribution,LuisBosquez/docker.github.io,donhcd/distribution,bxy09/distribution,adambrett-forks/distribution,konstruktoid/distribution,docker-zh/docker.github.io,sthapaun/distribution,menglingwei/denverdino.github.io,moxiegirl/distribution,avinson/distribution,konstruktoid/distribution,troy0820/docker.github.io,jzwlqx/denverdino.github.io,gierschv/distribution,endophage/distribution,humble00/distribution