remove async metadata CRUD call from tests
remove async metadata CRUD call from tests

parthiban019/jsforce,bhaskarmelkani/jsforce,saleswise/jsforce,saleswise/jsforce,jdcrensh/jsforce,jsforce/jsforce,jesperkristensen/jsforce,pcon/jsforce,jdcrensh/jsforce,lkatney/jsforce,bhaskarmelkani/jsforce,pcon/jsforce,parthiban019/jsforce,saleswise/jsforce,jsforce/jsforce,pcon/jsforce,lkatney/jsforce,joeferraro/jsforce,rdietrick/jsforce,jsforce/jsforce,kimchouard/jsforce,nutthawan/jsforce,jesperkristensen/jsforce,joeferraro/jsforce,nutthawan/jsforce