Improve log output from unit tests (follow-up to c8d3cc1493a0ca47fa34e88d9a113440611dce3b)
Improve log output from unit tests
(follow-up to c8d3cc1493a0ca47fa34e88d9a113440611dce3b)

patch by Ariel Weisberg; reviewed by Robert Stupp for CASSANDRA-9528

beobal/cassandra,pcn/cassandra-1,juiceblender/cassandra,instaclustr/cassandra,tjake/cassandra,sivikt/cassandra,tommystendahl/cassandra,strapdata/cassandra,vaibhi9/cassandra,tongjixianing/projects,DikangGu/cassandra,yukim/cassandra,instaclustr/cassandra,sivikt/cassandra,cooldoger/cassandra,jasonstack/cassandra,ptuckey/cassandra,thelastpickle/cassandra,christian-esken/cassandra,jbellis/cassandra,pofallon/cassandra,iamaleksey/cassandra,michaelsembwever/cassandra,nutbunnies/cassandra,GabrielNicolasAvellaneda/cassandra,darach/cassandra,AtwooTM/cassandra,spodkowinski/cassandra,bcoverston/cassandra,ejankan/cassandra,cooldoger/cassandra,josh-mckenzie/cassandra,kgreav/cassandra,belliottsmith/cassandra,mike-tr-adamson/cassandra,adelapena/cassandra,hhorii/cassandra,DikangGu/cassandra,mheffner/cassandra-1,Jollyplum/cassandra,guard163/cassandra,rmarchei/cassandra,jeromatron/cassandra,blambov/cassandra,mambocab/cassandra,cooldoger/cassandra,chbatey/cassandra-1,christian-esken/cassandra,jbellis/cassandra,rdio/cassandra,bmel/cassandra,MasahikoSawada/cassandra,ifesdjeen/cassandra,mshuler/cassandra,a-buck/cassandra,helena/cassandra,joesiewert/cassandra,belliottsmith/cassandra,tongjixianing/projects,swps/cassandra,bmel/cassandra,ben-manes/cassandra,josh-mckenzie/cassandra,juiceblender/cassandra,yanbit/cassandra,fengshao0907/Cassandra-Research,phact/cassandra,beobal/cassandra,regispl/cassandra,thobbs/cassandra,sharvanath/cassandra,snazy/cassandra,regispl/cassandra,scaledata/cassandra,yanbit/cassandra,tommystendahl/cassandra,yangzhe1991/cassandra,ifesdjeen/cassandra,driftx/cassandra,blerer/cassandra,mt0803/cassandra,nitsanw/cassandra,ollie314/cassandra,MasahikoSawada/cassandra,blerer/cassandra,whitepages/cassandra,boneill42/cassandra,sedulam/CASSANDRA-12201,xiongzheng/Cassandra-Research,newrelic-forks/cassandra,aarushi12002/cassandra,jeromatron/cassandra,mike-tr-adamson/cassandra,stef1927/cassandra,hhorii/cassandra,bdeggleston/cassandra,snazy/cassandra,phact/cassandra,tjake/cassandra,rmarchei/cassandra,yukim/cassandra,knifewine/cassandra,pcn/cassandra-1,ben-manes/cassandra,codefollower/Cassandra-Research,newrelic-forks/cassandra,carlyeks/cassandra,jeffjirsa/cassandra,ptnapoleon/cassandra,carlyeks/cassandra,mshuler/cassandra,vramaswamy456/cassandra,aweisberg/cassandra,AtwooTM/cassandra,adelapena/cassandra,szhou1234/cassandra,aweisberg/cassandra,chbatey/cassandra-1,mike-tr-adamson/cassandra,yonglehou/cassandra,sedulam/CASSANDRA-12201,weipinghe/cassandra,snazy/cassandra,Instagram/cassandra,jasonwee/cassandra,rogerchina/cassandra,joesiewert/cassandra,aboudreault/cassandra,hhorii/cassandra,a-buck/cassandra,instaclustr/cassandra,likaiwalkman/cassandra,josh-mckenzie/cassandra,codefollower/Cassandra-Research,hengxin/cassandra,krummas/cassandra,szhou1234/cassandra,ptnapoleon/cassandra,blerer/cassandra,xiongzheng/Cassandra-Research,xiongzheng/Cassandra-Research,blambov/cassandra,pkdevbox/cassandra,exoscale/cassandra,nutbunnies/cassandra,thelastpickle/cassandra,michaelsembwever/cassandra,driftx/cassandra,aureagle/cassandra,sluk3r/cassandra,fengshao0907/cassandra-1,beobal/cassandra,driftx/cassandra,belliottsmith/cassandra,pauloricardomg/cassandra,pcmanus/cassandra,thelastpickle/cassandra,modempachev4/kassandra,adejanovski/cassandra,swps/cassandra,codefollower/Cassandra-Research,pauloricardomg/cassandra,Instagram/cassandra,michaelsembwever/cassandra,exoscale/cassandra,yhnishi/cassandra,apache/cassandra,bdeggleston/cassandra,strapdata/cassandra,jasonwee/cassandra,yonglehou/cassandra,mkjellman/cassandra,iamaleksey/cassandra,fengshao0907/cassandra-1,stef1927/cassandra,ptnapoleon/cassandra,mkjellman/cassandra,mt0803/cassandra,josh-mckenzie/cassandra,aureagle/cassandra,snazy/cassandra,emolsson/cassandra,bmel/cassandra,bcoverston/cassandra,jasobrown/cassandra,pthomaid/cassandra,bdeggleston/cassandra,bpupadhyaya/cassandra,weideng1/cassandra,juiceblender/cassandra,fengshao0907/cassandra-1,beobal/cassandra,knifewine/cassandra,belliottsmith/cassandra,adelapena/cassandra,helena/cassandra,aweisberg/cassandra,weipinghe/cassandra,pkdevbox/cassandra,Jollyplum/cassandra,mshuler/cassandra,RyanMagnusson/cassandra,RyanMagnusson/cassandra,macintoshio/cassandra,rogerchina/cassandra,mkjellman/cassandra,ptuckey/cassandra,scaledata/cassandra,bcoverston/cassandra,vaibhi9/cassandra,caidongyun/cassandra,pcmanus/cassandra,pthomaid/cassandra,boneill42/cassandra,Instagram/cassandra,sharvanath/cassandra,WorksApplications/cassandra,Imran-C/cassandra,christian-esken/cassandra,chbatey/cassandra-1,jrwest/cassandra,a-buck/cassandra,clohfink/cassandra,mkjellman/cassandra,tommystendahl/cassandra,sluk3r/cassandra,spodkowinski/cassandra,Jaumo/cassandra,GabrielNicolasAvellaneda/cassandra,yhnishi/cassandra,krummas/cassandra,newrelic-forks/cassandra,joesiewert/cassandra,mambocab/cassandra,szhou1234/cassandra,jrwest/cassandra,bdeggleston/cassandra,sharvanath/cassandra,carlyeks/cassandra,clohfink/cassandra,instaclustr/cassandra,jasonwee/cassandra,tommystendahl/cassandra,caidongyun/cassandra,yanbit/cassandra,tjake/cassandra,darach/cassandra,pofallon/cassandra,vramaswamy456/cassandra,swps/cassandra,pauloricardomg/cassandra,WorksApplications/cassandra,cooldoger/cassandra,bpupadhyaya/cassandra,dongjiaqiang/cassandra,modempachev4/kassandra,ejankan/cassandra,thobbs/cassandra,mshuler/cassandra,likaiwalkman/cassandra,Jaumo/cassandra,boneill42/cassandra,dongjiaqiang/cassandra,bpupadhyaya/cassandra,yhnishi/cassandra,kgreav/cassandra,ptuckey/cassandra,macintoshio/cassandra,stef1927/cassandra,Instagram/cassandra,vaibhi9/cassandra,juiceblender/cassandra,rmarchei/cassandra,helena/cassandra,jrwest/cassandra,yukim/cassandra,apache/cassandra,likaiwalkman/cassandra,ben-manes/cassandra,jeromatron/cassandra,jasobrown/cassandra,scylladb/scylla-tools-java,krummas/cassandra,regispl/cassandra,weipinghe/cassandra,jasobrown/cassandra,clohfink/cassandra,jrwest/cassandra,Jollyplum/cassandra,aboudreault/cassandra,Imran-C/cassandra,hengxin/cassandra,scaledata/cassandra,jeffjirsa/cassandra,sivikt/cassandra,jasobrown/cassandra,jasonstack/cassandra,aarushi12002/cassandra,blerer/cassandra,szhou1234/cassandra,pkdevbox/cassandra,iamaleksey/cassandra,jasonstack/cassandra,mheffner/cassandra-1,caidongyun/cassandra,mheffner/cassandra-1,apache/cassandra,mt0803/cassandra,macintoshio/cassandra,weideng1/cassandra,adejanovski/cassandra,fengshao0907/Cassandra-Research,rdio/cassandra,modempachev4/kassandra,jeffjirsa/cassandra,ollie314/cassandra,nutbunnies/cassandra,driftx/cassandra,ollie314/cassandra,nitsanw/cassandra,AtwooTM/cassandra,adejanovski/cassandra,apache/cassandra,clohfink/cassandra,blambov/cassandra,WorksApplications/cassandra,pthomaid/cassandra,ifesdjeen/cassandra,emolsson/cassandra,pofallon/cassandra,phact/cassandra,MasahikoSawada/cassandra,rdio/cassandra,ifesdjeen/cassandra,scylladb/scylla-tools-java,aboudreault/cassandra,rogerchina/cassandra,thelastpickle/cassandra,thobbs/cassandra,iamaleksey/cassandra,DikangGu/cassandra,whitepages/cassandra,spodkowinski/cassandra,exoscale/cassandra,pcmanus/cassandra,yangzhe1991/cassandra,bcoverston/cassandra,mambocab/cassandra,strapdata/cassandra,vramaswamy456/cassandra,nitsanw/cassandra,michaelsembwever/cassandra,pauloricardomg/cassandra,weideng1/cassandra,spodkowinski/cassandra,pcn/cassandra-1,kgreav/cassandra,guard163/cassandra,emolsson/cassandra,knifewine/cassandra,scylladb/scylla-tools-java,yangzhe1991/cassandra,yonglehou/cassandra,tongjixianing/projects,dongjiaqiang/cassandra,jbellis/cassandra,aureagle/cassandra,hengxin/cassandra,sedulam/CASSANDRA-12201,stef1927/cassandra,mike-tr-adamson/cassandra,aweisberg/cassandra,guard163/cassandra,yukim/cassandra,Imran-C/cassandra,RyanMagnusson/cassandra,aarushi12002/cassandra,strapdata/cassandra,darach/cassandra,GabrielNicolasAvellaneda/cassandra,tjake/cassandra,blambov/cassandra,whitepages/cassandra,kgreav/cassandra,jeffjirsa/cassandra,fengshao0907/Cassandra-Research,krummas/cassandra,adelapena/cassandra,WorksApplications/cassandra,ejankan/cassandra,Jaumo/cassandra,scylladb/scylla-tools-java,sluk3r/cassandra