Fix test in tree_display_controller_spec.rb
Fix test in tree_display_controller_spec.rb

expertiza/expertiza,kira0992/expertiza,rmmaily/expertiza,sid5788/expertiza,ApertureScienceInnovators/expertiza,mhhassan/expertiza,redsock88/expertiza,akshayjain114/expertiza,expertiza/expertiza,arpitashekhar/expertiza,sid5788/expertiza,mhhassan/expertiza,kira0992/expertiza,rmmaily/expertiza,michaelamoran/expertiza,ApertureScienceInnovators/expertiza,joshio1/expertiza,KunmiaoYang/expertiza,rmmaily/expertiza,KunmiaoYang/expertiza,urmilparikh95/expertiza,sid5788/expertiza,akshayjain114/expertiza,mhhassan/expertiza,sid5788/expertiza,urmilparikh95/expertiza,joshio1/expertiza,KunmiaoYang/expertiza,akshayjain114/expertiza,akshayjain114/expertiza,redsock88/expertiza,arpitashekhar/expertiza,joshio1/expertiza,mhhassan/expertiza,expertiza/expertiza,redsock88/expertiza,ApertureScienceInnovators/expertiza,redsock88/expertiza,michaelamoran/expertiza,rmmaily/expertiza,kira0992/expertiza,arpitashekhar/expertiza,michaelamoran/expertiza,expertiza/expertiza,KunmiaoYang/expertiza,urmilparikh95/expertiza,arpitashekhar/expertiza,urmilparikh95/expertiza,ApertureScienceInnovators/expertiza,michaelamoran/expertiza,joshio1/expertiza,kira0992/expertiza