Integration test readme update
Integration test readme update

Updates the readme to mention running the tests using golem.
Also provides instructions for making test development easier.

Signed-off-by: Derek McGowan <e1c79a582b6629e6b39e9679f4bb964d25db4aa8@mcgstyle.net> (github: dmcgowan)

liubin/distribution,mikebrow/distribution,xiekeyang/distribution,duglin/distribution,kmala/distribution,spacexnice/distribution,BSWANG/denverdino.github.io,londoncalling/docker.github.io,troy0820/docker.github.io,shyr/distribution,joeuo/docker.github.io,hopkings2008/distribution,denverdino/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,joeuo/docker.github.io,anweiss/docker.github.io,troy0820/docker.github.io,shin-/docker.github.io,shin-/docker.github.io,alexisbellido/docker.github.io,phiroict/docker,sadlil/distribution,joaofnfernandes/docker.github.io,cezarsa/distribution,xiekeyang/distribution,docker/distribution,stevvooe/distribution,docker/distribution,londoncalling/docker.github.io,shyr/distribution,LuisBosquez/docker.github.io,LuisBosquez/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,aduermael/docker.github.io,denverdino/denverdino.github.io,shin-/docker.github.io,BSWANG/denverdino.github.io,genedock/distribution,johnstep/docker.github.io,londoncalling/docker.github.io,bdwill/docker.github.io,aduermael/docker.github.io,sanscontext/docker.github.io,joaofnfernandes/docker.github.io,joeuo/docker.github.io,shubheksha/docker.github.io,gdevillele/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,mbentley/distribution,anweiss/docker.github.io,rillig/docker.github.io,sanscontext/docker.github.io,docker-zh/docker.github.io,denverdino/docker.github.io,LuisBosquez/docker.github.io,kmala/distribution,menglingwei/denverdino.github.io,thaJeztah/distribution,BSWANG/denverdino.github.io,vdemeester/distribution,alexisbellido/docker.github.io,konnase/distribution,nwt/distribution,rillig/docker.github.io,rillig/docker.github.io,phiroict/docker,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,alexisbellido/docker.github.io,bdwill/docker.github.io,jwhonce/distribution,sergeyfd/distribution,noxiouz/distribution,hopkings2008/distribution,alexisbellido/docker.github.io,shubheksha/docker.github.io,docker-zh/docker.github.io,noxiouz/distribution,gdevillele/docker.github.io,troy0820/docker.github.io,JimGalasyn/docker.github.io,jzwlqx/distribution,joaofnfernandes/docker.github.io,vdemeester/distribution,gdevillele/docker.github.io,menglingwei/denverdino.github.io,anweiss/docker.github.io,nwt/distribution,RichardScothern/distribution,yuwaMSFT2/distribution,spacexnice/distribution,rbarlow/distribution,shubheksha/docker.github.io,JimGalasyn/docker.github.io,cyli/distribution,dmcgowan/distribution,jzwlqx/denverdino.github.io,danix800/docker.github.io,jwhonce/distribution,schu/distribution,Seb-Solon/distribution,BrianBland/distribution,sanscontext/docker.github.io,konstruktoid/distribution,dobril-stanga/distribution,denverdino/docker.github.io,danix800/docker.github.io,harrisonfeng/distribution,harrisonfeng/distribution,aduermael/docker.github.io,thaJeztah/docker.github.io,bdwill/docker.github.io,duglin/distribution,danix800/docker.github.io,menglingwei/denverdino.github.io,mbentley/distribution,BSWANG/denverdino.github.io,jzwlqx/denverdino.github.io,sergeyfd/distribution,mattrgreen/distribution,denverdino/denverdino.github.io,jzwlqx/denverdino.github.io,rillig/docker.github.io,johnstep/docker.github.io,sadlil/distribution,denverdino/denverdino.github.io,joeuo/docker.github.io,alexisbellido/docker.github.io,yuwaMSFT2/distribution,aprajshekhar/distribution,shin-/docker.github.io,londoncalling/docker.github.io,anweiss/docker.github.io,miminar/distribution,LuisBosquez/docker.github.io,docker-zh/docker.github.io,dmcgowan/distribution,manoj535/distribution,shubheksha/docker.github.io,sanscontext/docker.github.io,jzwlqx/denverdino.github.io,Seb-Solon/distribution,joaofnfernandes/docker.github.io,docker-zh/docker.github.io,BSWANG/denverdino.github.io,rbarlow/distribution,anweiss/docker.github.io,joeuo/docker.github.io,phiroict/docker,denverdino/denverdino.github.io,manoj535/distribution,RichardScothern/distribution,bdwill/docker.github.io,docker/docker.github.io,mikebrow/distribution,docker/docker.github.io,johnstep/docker.github.io,denverdino/docker.github.io,mattrgreen/distribution,denverdino/denverdino.github.io,gdevillele/docker.github.io,huamai-io/distribution,docker/docker.github.io,menglingwei/denverdino.github.io,estesp/distribution,danix800/docker.github.io,BrianBland/distribution,stevvooe/distribution,johnstep/docker.github.io,menglingwei/denverdino.github.io,shin-/docker.github.io,docker/docker.github.io,joaofnfernandes/docker.github.io,johnstep/docker.github.io,docker-zh/docker.github.io,konnase/distribution,konstruktoid/distribution,troy0820/docker.github.io,miminar/distribution,aprajshekhar/distribution,LuisBosquez/docker.github.io,shubheksha/docker.github.io,schu/distribution,liubin/distribution,cyli/distribution,phiroict/docker,jzwlqx/denverdino.github.io,estesp/distribution,aduermael/docker.github.io,genedock/distribution,dobril-stanga/distribution,phiroict/docker,jzwlqx/distribution,cezarsa/distribution,huamai-io/distribution,bdwill/docker.github.io,sanscontext/docker.github.io,thaJeztah/docker.github.io,denverdino/docker.github.io,gdevillele/docker.github.io,thaJeztah/distribution