message: updated testProverCreateAndStoreRequestWorks test
diff: NSDictionary *claimRequest = [NSDictionary fromString:claimRequestJson];
  XCTAssertTrue([claimRequest[@"claim_def_seq_no"] isEqualToNumber:claimDefSeqNo], @"claimRequest[claim_def_seq_no] != claimDefSeqNo");
  XCTAssertTrue([claimRequest[@"issuer_did"] isEqualToString:issuerDid], @"[claimRequest[@\"issuer_did\"] != issuerDid");
  - XCTAssertTrue([claimRequest[@"claim_request"][@"u"] length] > 0, @"claimRequest[@\"claim_request\"][@\"u\"] length <= 0");
  + XCTAssertTrue([claimRequest[@"blinded_ms"][@"u"] length] > 0, @"claimRequest[@\"claim_request\"][@\"u\"] length <= 0");
  }
  - (void)testProverCreateAndStoreClaimReqWorksForInvalidWallet
  