Upate TestName to make the 'name' field volatile.
Upate TestName to make the 'name' field volatile.

This ensures that the name is published across threads correctly--for
instance, if a parallelized runner is used.

Closes #1157

ashleyfrieze/junit,slezier/junit,UnimibSoftEngCourse1516/lab2-es3-i.pigazzini,jordancheah/junit,dvberkel/junit,mekwin87/junit4,eamonnmcmanus/junit,UnimibSoftEngCourse1516/lab2-es3-f.spinardi,UnimibSoftEngCourse1516/lab2-es3-m.polonioli,VikingDen/junit,junit-team/junit4,MichaelJY91/junit,UnimibSoftEngCourse1516/lab2-es3-a.mosini,schauder/junit,kobe73er/MyUnit,elijah513/junit,kobe73er/MyUnit,UnimibSoftEngCourse1516/lab2-es3-a.tundo,edwardmlyte/junit,UnimibSoftEngCourse1516/lab2-es3-o.sertori,ashleyfrieze/junit,UnimibSoftEngCourse1516/lab2-es3-a.mosini,UnimibSoftEngCourse1516/lab2-es3-e.nani1,UnimibSoftEngCourse1516/lab2-es3-a.tundo,sposam/junit,janocat/junit,edwardmlyte/junit,freezhan/junit,panchenko/junit,jordancheah/junit,freezhan/junit,songfj/junit,mnk/junit,openhardnudd/junit,Thothius/junit,chrisvest/junit,mekwin87/junit4,UnimibSoftEngCourse1516/lab2-es3-s.ravetta,songfj/junit,alohageck0/junit,AxelMonroyX/junit4,UnimibSoftEngCourse1516/lab2-es3-i.pigazzini,kobe73er/dUnit,easyMan-zzy/junit,feisuo/junit,chrisvest/junit,UnimibSoftEngCourse1516/lab2-es3-a.tundo,hhariri/junit,UnimibSoftEngCourse1516/lab2-es3-m.scarpone,UnimibSoftEngCourse1516/lab2-es3-s.ravetta,junit-team/junit,kcooney/junit,UnimibSoftEngCourse1516/lab2-es3-s.renzo,feisuo/junit,yusuke/junit,alb-i986/junit,VikingDen/junit,0359xiaodong/junit,laercioferracini/junit,0359xiaodong/junit,UnimibSoftEngCourse1516/lab2-es3-o.sertori,dvberkel/junit,edwardmlyte/junit,powazny/junit4,openhardnudd/junit,jordancheah/junit,quentin9696/junit,junit-team/junit,quentin9696/junit,avandeursen/junit,MichaelJY91/junit,0359xiaodong/junit,jhfjhfj1/junit,rwarren14/junit,alohageck0/junit,paulduffin/junit,junit-team/junit4,UnimibSoftEngCourse1516/lab2-es3-m.polonioli,onesfreedom/junit,avandeursen/junit,mekwin87/junit4,stefanbirkner/junit,mnk/junit,hansjoachim/junit,elijah513/junit,junit-team/junit,kcooney/junit,UnimibSoftEngCourse1516/lab2-es3-f.giannini3,JoaquinSiabra/junit,onesfreedom/junit,Thothius/junit,hansjoachim/junit,rwarren14/junit,UnimibSoftEngCourse1516/lab2-es3-l.salvestrini,easyMan-zzy/junit,y-kt/junit,kobe73er/dUnit,kobe73er/dUnit,AxelMonroyX/junit4,UnimibSoftEngCourse1516/lab2-es3-f.cirelli1,freezhan/junit,flomotlik/junit,janocat/junit,y-kt/junit,smayoorans/junit,janocat/junit,jhfjhfj1/junit,UnimibSoftEngCourse1516/lab2-es3-s.ravetta,AxelMonroyX/junit4,feisuo/junit,laercioferracini/junit,slezier/junit,powazny/junit4,flomotlik/junit,alb-i986/junit,adko-pl/junit,MichaelJY91/junit,schauder/junit,adko-pl/junit,remus32/junit,y-kt/junit,flomotlik/junit,JoaquinSiabra/junit,elijah513/junit,hansjoachim/junit,UnimibSoftEngCourse1516/lab2-es3-l.salvestrini,UnimibSoftEngCourse1516/lab2-es3-m.vella6,UnimibSoftEngCourse1516/lab2-es3-f.giannini3,ashleyfrieze/junit,quentin9696/junit,mnk/junit,mekwin87/junit4,yusuke/junit,UnimibSoftEngCourse1516/lab2-es3-m.polonioli,jhfjhfj1/junit,remus32/junit,UnimibSoftEngCourse1516/lab2-es3-f.cirelli1,Thothius/junit,kcooney/junit,UnimibSoftEngCourse1516/lab2-es3-m.scarpone,alohageck0/junit,stefanbirkner/junit,hhariri/junit,Siddartha07/junit,UnimibSoftEngCourse1516/lab2-es3-s.renzo,UnimibSoftEngCourse1516/lab2-es3-m.vella6,Siddartha07/junit,easyMan-zzy/junit,smayoorans/junit,avandeursen/junit,laercioferracini/junit,paulduffin/junit,panchenko/junit,yusuke/junit,dvberkel/junit,UnimibSoftEngCourse1516/lab2-es3-i.pigazzini,UnimibSoftEngCourse1516/lab2-es3-e.nani1,Siddartha07/junit,songfj/junit,eamonnmcmanus/junit,stefanbirkner/junit,openhardnudd/junit,slezier/junit,eamonnmcmanus/junit,schauder/junit,junit-team/junit4,paulduffin/junit,moinuddin14/junit,smayoorans/junit,UnimibSoftEngCourse1516/lab2-es3-m.vella6,UnimibSoftEngCourse1516/lab2-es3-f.spinardi,remus32/junit,moinuddin14/junit,alb-i986/junit,UnimibSoftEngCourse1516/lab2-es3-e.nani1,UnimibSoftEngCourse1516/lab2-es3-a.mosini,UnimibSoftEngCourse1516/lab2-es3-f.cirelli1,hhariri/junit,UnimibSoftEngCourse1516/lab2-es3-o.sertori,onesfreedom/junit,UnimibSoftEngCourse1516/lab2-es3-l.salvestrini,UnimibSoftEngCourse1516/lab2-es3-s.renzo,UnimibSoftEngCourse1516/lab2-es3-f.giannini3,UnimibSoftEngCourse1516/lab2-es3-m.scarpone,UnimibSoftEngCourse1516/lab2-es3-f.spinardi,powazny/junit4,adko-pl/junit,panchenko/junit,chrisvest/junit,sposam/junit,JoaquinSiabra/junit,kobe73er/MyUnit,rwarren14/junit,sposam/junit,moinuddin14/junit,VikingDen/junit