'Verify that the last ReportStore CSV contains the expected content.'

def _verify_cell_data_in_csv(self, username, column_header, expected_cell_content):

    report_store = ReportStore.from_config(config_name='FINANCIAL_REPORTS')
    report_csv_filename = report_store.links_for(self.course.id)[0][0]
    report_path = report_store.path_to(self.course.id, report_csv_filename)
    with report_store.storage.open(report_path) as csv_file:
        for row in unicodecsv.DictReader(csv_file):
            if (row.get('Username') == username):
                self.assertEqual(row[column_header], expected_cell_content)
