fix reference to jsforce var name in test not to conflict require-swapped loader
fix reference to jsforce var name in test not to conflict require-swapped loader

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