e))          self.assertContestInDb("contestname", "contest description 你好",                                [("taskname", "task title")],                                [("username", "Last Name")])         self.assertContestInDb(             self.other_contest_name, self.other_contest_description, [], [])          self.assertFileNotInDb(TestDumpImporter.GENERATED_FILE_DIGEST)         self.assertFile