Update tests to use a custom timezone in the case where the local timezone happens to be UTC
Update tests to use a custom timezone in the case where the local timezone happens to be UTC

flts/jint,flts/jint,npenin/jint,fvaneijk/jint,ayende/jint,santiagoaguiar/jint,hnafar/jint,ImagineLearning/Jint,reidyd/jint,santiagoaguiar/jint,mgentile/jint,hnafar/jint,reidyd/jint,Nogrod/jint,fvaneijk/jint,djMax/jint,npenin/jint,ImagineLearning/Jint,mgentile/jint,sanyaade-iot/jint,ayende/jint,sanyaade-iot/jint,chaquotay/jint,chaquotay/jint,djMax/jint,honestegg/jint,sebastienros/jint,Nogrod/jint,tylerjwatson/jint,sebastienros/jint,honestegg/jint