Adds a unittest for cross thread watchables.
Adds a unittest for cross thread watchables.

spblightadv/rethinkdb,RubenKelevra/rethinkdb,catroot/rethinkdb,marshall007/rethinkdb,4talesa/rethinkdb,nviennot/rethinkdb,victorbriz/rethinkdb,grandquista/rethinkdb,sebadiaz/rethinkdb,jmptrader/rethinkdb,Wilbeibi/rethinkdb,wujf/rethinkdb,RubenKelevra/rethinkdb,AntouanK/rethinkdb,AntouanK/rethinkdb,alash3al/rethinkdb,eliangidoni/rethinkdb,4talesa/rethinkdb,matthaywardwebdesign/rethinkdb,gavioto/rethinkdb,ajose01/rethinkdb,yaolinz/rethinkdb,rrampage/rethinkdb,yaolinz/rethinkdb,captainpete/rethinkdb,catroot/rethinkdb,bpradipt/rethinkdb,lenstr/rethinkdb,AntouanK/rethinkdb,eliangidoni/rethinkdb,wkennington/rethinkdb,scripni/rethinkdb,mbroadst/rethinkdb,wujf/rethinkdb,jmptrader/rethinkdb,yakovenkodenis/rethinkdb,yakovenkodenis/rethinkdb,sebadiaz/rethinkdb,mcanthony/rethinkdb,pap/rethinkdb,Wilbeibi/rethinkdb,victorbriz/rethinkdb,wkennington/rethinkdb,scripni/rethinkdb,wujf/rethinkdb,lenstr/rethinkdb,sontek/rethinkdb,nviennot/rethinkdb,KSanthanam/rethinkdb,sbusso/rethinkdb,alash3al/rethinkdb,rrampage/rethinkdb,gavioto/rethinkdb,RubenKelevra/rethinkdb,wojons/rethinkdb,wojons/rethinkdb,sontek/rethinkdb,niieani/rethinkdb,gavioto/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,AntouanK/rethinkdb,mquandalle/rethinkdb,grandquista/rethinkdb,jesseditson/rethinkdb,mbroadst/rethinkdb,robertjpayne/rethinkdb,KSanthanam/rethinkdb,bpradipt/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,matthaywardwebdesign/rethinkdb,Wilbeibi/rethinkdb,mbroadst/rethinkdb,elkingtonmcb/rethinkdb,sontek/rethinkdb,gavioto/rethinkdb,greyhwndz/rethinkdb,nviennot/rethinkdb,grandquista/rethinkdb,AntouanK/rethinkdb,Wilbeibi/rethinkdb,nviennot/rethinkdb,scripni/rethinkdb,pap/rethinkdb,rrampage/rethinkdb,greyhwndz/rethinkdb,ajose01/rethinkdb,bpradipt/rethinkdb,marshall007/rethinkdb,losywee/rethinkdb,spblightadv/rethinkdb,4talesa/rethinkdb,victorbriz/rethinkdb,yaolinz/rethinkdb,jesseditson/rethinkdb,victorbriz/rethinkdb,sebadiaz/rethinkdb,urandu/rethinkdb,jmptrader/rethinkdb,nviennot/rethinkdb,bpradipt/rethinkdb,victorbriz/rethinkdb,matthaywardwebdesign/rethinkdb,ajose01/rethinkdb,4talesa/rethinkdb,bpradipt/rethinkdb,rrampage/rethinkdb,eliangidoni/rethinkdb,robertjpayne/rethinkdb,mcanthony/rethinkdb,gdi2290/rethinkdb,robertjpayne/rethinkdb,KSanthanam/rethinkdb,JackieXie168/rethinkdb,niieani/rethinkdb,bchavez/rethinkdb,AtnNn/rethinkdb,urandu/rethinkdb,marshall007/rethinkdb,wujf/rethinkdb,gdi2290/rethinkdb,marshall007/rethinkdb,Qinusty/rethinkdb,tempbottle/rethinkdb,tempbottle/rethinkdb,spblightadv/rethinkdb,jfriedly/rethinkdb,elkingtonmcb/rethinkdb,grandquista/rethinkdb,tempbottle/rethinkdb,ajose01/rethinkdb,yakovenkodenis/rethinkdb,ayumilong/rethinkdb,ayumilong/rethinkdb,JackieXie168/rethinkdb,lenstr/rethinkdb,losywee/rethinkdb,grandquista/rethinkdb,captainpete/rethinkdb,pap/rethinkdb,lenstr/rethinkdb,robertjpayne/rethinkdb,wojons/rethinkdb,wkennington/rethinkdb,sontek/rethinkdb,eliangidoni/rethinkdb,robertjpayne/rethinkdb,AtnNn/rethinkdb,grandquista/rethinkdb,wojons/rethinkdb,captainpete/rethinkdb,sbusso/rethinkdb,scripni/rethinkdb,niieani/rethinkdb,wkennington/rethinkdb,captainpete/rethinkdb,sebadiaz/rethinkdb,dparnell/rethinkdb,lenstr/rethinkdb,4talesa/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,gavioto/rethinkdb,urandu/rethinkdb,AntouanK/rethinkdb,ayumilong/rethinkdb,RubenKelevra/rethinkdb,jesseditson/rethinkdb,mquandalle/rethinkdb,victorbriz/rethinkdb,jesseditson/rethinkdb,marshall007/rethinkdb,mbroadst/rethinkdb,marshall007/rethinkdb,gdi2290/rethinkdb,alash3al/rethinkdb,jmptrader/rethinkdb,catroot/rethinkdb,yaolinz/rethinkdb,jfriedly/rethinkdb,wkennington/rethinkdb,eliangidoni/rethinkdb,sontek/rethinkdb,mcanthony/rethinkdb,mquandalle/rethinkdb,pap/rethinkdb,losywee/rethinkdb,lenstr/rethinkdb,captainpete/rethinkdb,rrampage/rethinkdb,sebadiaz/rethinkdb,eliangidoni/rethinkdb,mquandalle/rethinkdb,urandu/rethinkdb,4talesa/rethinkdb,matthaywardwebdesign/rethinkdb,wojons/rethinkdb,greyhwndz/rethinkdb,gdi2290/rethinkdb,jmptrader/rethinkdb,grandquista/rethinkdb,sontek/rethinkdb,matthaywardwebdesign/rethinkdb,jfriedly/rethinkdb,gavioto/rethinkdb,grandquista/rethinkdb,victorbriz/rethinkdb,yaolinz/rethinkdb,gavioto/rethinkdb,jfriedly/rethinkdb,jfriedly/rethinkdb,RubenKelevra/rethinkdb,wojons/rethinkdb,wojons/rethinkdb,mbroadst/rethinkdb,4talesa/rethinkdb,alash3al/rethinkdb,marshall007/rethinkdb,wkennington/rethinkdb,Qinusty/rethinkdb,AntouanK/rethinkdb,ajose01/rethinkdb,alash3al/rethinkdb,bpradipt/rethinkdb,dparnell/rethinkdb,AtnNn/rethinkdb,scripni/rethinkdb,yakovenkodenis/rethinkdb,JackieXie168/rethinkdb,wujf/rethinkdb,jesseditson/rethinkdb,greyhwndz/rethinkdb,mquandalle/rethinkdb,dparnell/rethinkdb,sbusso/rethinkdb,RubenKelevra/rethinkdb,sbusso/rethinkdb,catroot/rethinkdb,matthaywardwebdesign/rethinkdb,spblightadv/rethinkdb,Qinusty/rethinkdb,bchavez/rethinkdb,sontek/rethinkdb,greyhwndz/rethinkdb,RubenKelevra/rethinkdb,losywee/rethinkdb,jfriedly/rethinkdb,pap/rethinkdb,mcanthony/rethinkdb,urandu/rethinkdb,dparnell/rethinkdb,matthaywardwebdesign/rethinkdb,bchavez/rethinkdb,gdi2290/rethinkdb,sbusso/rethinkdb,niieani/rethinkdb,wkennington/rethinkdb,bpradipt/rethinkdb,ayumilong/rethinkdb,yaolinz/rethinkdb,jmptrader/rethinkdb,jmptrader/rethinkdb,captainpete/rethinkdb,mbroadst/rethinkdb,bchavez/rethinkdb,elkingtonmcb/rethinkdb,yaolinz/rethinkdb,rrampage/rethinkdb,scripni/rethinkdb,ayumilong/rethinkdb,greyhwndz/rethinkdb,jesseditson/rethinkdb,bchavez/rethinkdb,scripni/rethinkdb,Wilbeibi/rethinkdb,losywee/rethinkdb,ajose01/rethinkdb,urandu/rethinkdb,dparnell/rethinkdb,elkingtonmcb/rethinkdb,mcanthony/rethinkdb,AtnNn/rethinkdb,spblightadv/rethinkdb,KSanthanam/rethinkdb,gdi2290/rethinkdb,robertjpayne/rethinkdb,spblightadv/rethinkdb,tempbottle/rethinkdb,JackieXie168/rethinkdb,tempbottle/rethinkdb,pap/rethinkdb,jfriedly/rethinkdb,elkingtonmcb/rethinkdb,catroot/rethinkdb,Wilbeibi/rethinkdb,eliangidoni/rethinkdb,niieani/rethinkdb,dparnell/rethinkdb,captainpete/rethinkdb,scripni/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,rrampage/rethinkdb,yakovenkodenis/rethinkdb,pap/rethinkdb,alash3al/rethinkdb,rrampage/rethinkdb,mbroadst/rethinkdb,mbroadst/rethinkdb,spblightadv/rethinkdb,marshall007/rethinkdb,greyhwndz/rethinkdb,JackieXie168/rethinkdb,elkingtonmcb/rethinkdb,Qinusty/rethinkdb,tempbottle/rethinkdb,gavioto/rethinkdb,eliangidoni/rethinkdb,AtnNn/rethinkdb,sebadiaz/rethinkdb,ayumilong/rethinkdb,AtnNn/rethinkdb,victorbriz/rethinkdb,jesseditson/rethinkdb,mquandalle/rethinkdb,urandu/rethinkdb,niieani/rethinkdb,sebadiaz/rethinkdb,mquandalle/rethinkdb,pap/rethinkdb,tempbottle/rethinkdb,losywee/rethinkdb,jfriedly/rethinkdb,yakovenkodenis/rethinkdb,mcanthony/rethinkdb,Wilbeibi/rethinkdb,wojons/rethinkdb,AntouanK/rethinkdb,greyhwndz/rethinkdb,niieani/rethinkdb,Qinusty/rethinkdb,KSanthanam/rethinkdb,yakovenkodenis/rethinkdb,ajose01/rethinkdb,RubenKelevra/rethinkdb,alash3al/rethinkdb,losywee/rethinkdb,yakovenkodenis/rethinkdb,dparnell/rethinkdb,Qinusty/rethinkdb,captainpete/rethinkdb,sbusso/rethinkdb,AtnNn/rethinkdb,losywee/rethinkdb,bpradipt/rethinkdb,nviennot/rethinkdb,bchavez/rethinkdb,gdi2290/rethinkdb,JackieXie168/rethinkdb,bchavez/rethinkdb,eliangidoni/rethinkdb,AtnNn/rethinkdb,sbusso/rethinkdb,Qinusty/rethinkdb,sbusso/rethinkdb,yaolinz/rethinkdb,alash3al/rethinkdb,mcanthony/rethinkdb,wujf/rethinkdb,jmptrader/rethinkdb,wkennington/rethinkdb,nviennot/rethinkdb,dparnell/rethinkdb,catroot/rethinkdb,niieani/rethinkdb,urandu/rethinkdb,ajose01/rethinkdb,jesseditson/rethinkdb,sebadiaz/rethinkdb,KSanthanam/rethinkdb,sontek/rethinkdb,KSanthanam/rethinkdb,catroot/rethinkdb,wujf/rethinkdb,tempbottle/rethinkdb,robertjpayne/rethinkdb,grandquista/rethinkdb,lenstr/rethinkdb,bpradipt/rethinkdb,matthaywardwebdesign/rethinkdb,mcanthony/rethinkdb,elkingtonmcb/rethinkdb,spblightadv/rethinkdb,4talesa/rethinkdb,mquandalle/rethinkdb,KSanthanam/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,ayumilong/rethinkdb,Wilbeibi/rethinkdb,elkingtonmcb/rethinkdb,dparnell/rethinkdb,nviennot/rethinkdb,JackieXie168/rethinkdb,ayumilong/rethinkdb,lenstr/rethinkdb