add tests for importing multiple records, fix other confirmation tests

src/libs/endorserServer.ts

@@ -85,6 +85,7 @@ export interface GiveSummaryRecord {
   fulfillsPlanHandleId: string;
   handleId: string;
   issuedAt: string;
+  issuerDid: string;
   jwtId: string;
   recipientDid: string;
   unit: string;
@@ -98,6 +99,7 @@ export interface OfferSummaryRecord {
   fullClaim: OfferVerifiableCredential;
   fulfillsPlanHandleId: string;
   handleId: string;
+  issuerDid: string;
   jwtId: string;
   nonAmountGivenConfirmed: number;
   objectDescription: string;