Fix unit test which is a bit too sensitive to the local time zone.
Fix unit test which is a bit too sensitive to the local time zone.

jskeet/nodatime,malcolmr/nodatime,zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime,BenJenkinson/nodatime,nodatime/nodatime,BenJenkinson/nodatime,malcolmr/nodatime,malcolmr/nodatime,zaccharles/nodatime,malcolmr/nodatime,nodatime/nodatime,jskeet/nodatime,zaccharles/nodatime