Resolve failed tests for #19 and #20 implementation
Resolve failed tests for #19 and #20 implementation

SilentImp/PromisePipe,edjafarov/PromisePipe,netProgrammer/PromisePipe,Rastopyr/PromisePipe,netProgrammer/PromisePipe,edjafarov/PromisePipe,SilentImp/PromisePipe,Rastopyr/PromisePipe