Fixed tests by passing Buffer to vm_harness.
Fixed tests by passing Buffer to vm_harness.

jjz/Haraka,jaredj/Haraka,niteoweb/Haraka,Synchro/Haraka,Dexus/Haraka,wltsmrz/Haraka,niteoweb/Haraka,bsmr-x-script/Haraka,ruffrey/hk,DarkSorrow/Haraka,baudehlo/Haraka,zombified/Haraka,smfreegard/Haraka,hayesgm/Haraka,zombified/Haraka,xming/Haraka,armored/Haraka,bsmr-x-script/Haraka,baudehlo/Haraka,pedroaxl/Haraka,haraka/Haraka,pedroaxl/Haraka,slattery/Haraka,wltsmrz/Haraka,hayesgm/Haraka,typingArtist/Haraka,typingArtist/Haraka,craigslist/Haraka,typingArtist/Haraka,haraka/Haraka,xming/Haraka,haraka/Haraka,AbhilashSrivastava/haraka_sniffer,fatalbanana/Haraka,smfreegard/Haraka,Synchro/Haraka,craigslist/Haraka,fatalbanana/Haraka,abhas/Haraka,fredjean/Haraka,hiteshjoshi/my-haraka-config,julian-maughan/Haraka,baudehlo/Haraka,julian-maughan/Haraka,jaredj/Haraka,haraka/Haraka,AbhilashSrivastava/haraka_sniffer,DarkSorrow/Haraka,baudehlo/Haraka,niteoweb/Haraka,Dexus/Haraka,armored/Haraka,pedroaxl/Haraka,jaredj/Haraka,AbhilashSrivastava/haraka_sniffer,Dexus/Haraka,msimerson/Haraka,jaredj/Haraka,hatsebutz/Haraka,Dexus/Haraka,AbhilashSrivastava/haraka_sniffer,jjz/Haraka,alessioalex/Haraka,MignonCornet/Haraka,fatalbanana/Haraka,DarkSorrow/Haraka,hatsebutz/Haraka,smfreegard/Haraka,smfreegard/Haraka,MignonCornet/Haraka,bsmr-x-script/Haraka,hiteshjoshi/my-haraka-config,craigslist/Haraka,armored/Haraka,fredjean/Haraka,alessioalex/Haraka,mcreenan/Haraka,Synchro/Haraka,danucalovj/Haraka,craigslist/Haraka,abhas/Haraka,danucalovj/Haraka,ruffrey/hk,zombified/Haraka,hiteshjoshi/my-haraka-config,typingArtist/Haraka,slattery/Haraka,danucalovj/Haraka,slattery/Haraka,msimerson/Haraka,hatsebutz/Haraka,abhas/Haraka,Synchro/Haraka,MignonCornet/Haraka,jjz/Haraka,mcreenan/Haraka,jjz/Haraka,zombified/Haraka,slattery/Haraka,fredjean/Haraka,fatalbanana/Haraka,MignonCornet/Haraka,dweekly/Haraka,danucalovj/Haraka,hatsebutz/Haraka,DarkSorrow/Haraka,dweekly/Haraka,bsmr-x-script/Haraka,msimerson/Haraka,msimerson/Haraka