anchor.diff:          // waits for the last operation execReportingDownload() to finish.
           await fixture
               .update((_) => reportCompleter.complete(generateReport(report1)));
  -
  -        verify(mockGoogleApiDart.request(
  -            argThat(isDV3RequestWith(QueryType.byAdvertiser, advertiserId))));
  -        verify(mockGoogleApiDart.request(argThat(
  -            isReportingCreateQueryRequestWith(
  -                QueryType.byAdvertiser, advertiserId))));
  -        verify(mockGoogleApiDart
  -            .request(argThat(isReportingGetQueryRequestWith(queryId))));
  -        verify(mockGoogleApiDart
  -            .request(argThat(isReportingDownloadRequestWith(downloadLink))));
  -        verify(mockExcelDart.populate(expectedInput, false));
  -      });
  -
  -      test('highlighting checked invokes populate(multiple-IO, true)',
  -          () async {
  -        await queryComponentAccordionPO.typeAdvertiserId(advertiserId);
  -        await queryComponentPO.selectUnderpacing();
  -        await queryComponentPO.clickPopulate();
  -
  -        // waits for the last operation execReportingDownload() to finish.
  -        await fixture
  -            .update((_) => reportCompleter.complete(generateReport(report1)));
  -
  -        verify(mockGoogleApiDart.request(
  -            argThat(isDV3RequestWith(QueryType.byAdvertiser, advertiserId))));
  -        verify(mockGoogleApiDart.request(argThat(
  -            isReportingCreateQueryRequestWith(
  -                QueryType.byAdvertiser, advertiserId))));
  -        verify(mockGoogleApiDart
  -            .request(argThat(isReportingGetQueryRequestWith(queryId))));
  -        verify(mockGoogleApiDart
  -            .request(argThat(isReportingDownloadRequestWith(downloadLink))));
  -        verify(mockExcelDart.populate(expectedInput, true));
  +        verify(mockExcelDart.populate(expectedInput, any));
         });
   
         test(
  
positive.code:       });
  
        test(
            'highlight underpacing unchecked invokes populate(multiple-IO, false)',
            () async {
          await queryComponentAccordionPO.typeAdvertiserId(advertiserId);
          await queryComponentAccordionPO.typeMediaPlanId(mediaPlanId1);
  
negative.code:         // waits for the last operation execReportingDownload() to finish.
          await fixture
              .update((_) => reportCompleter.complete(generateReport(report3)));
          verify(mockExcelDart.populate(expectedInput, any));
        });
  
        test(
  