added tests for delete method
added tests for delete method

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