Removed redundant tests and added test for retract invitation in team_creation_spec
Removed redundant tests and added test for retract invitation in team_creation_spec

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