def METHOD_NAME(self):
    super().METHOD_NAME()
    self.users.update({
        'staff_submission_view_all': create_user(
            username='staff_submission_view_all',
            is_staff=True,
            user_permissions=('view_all_submission',),
        ),
    })
    self.basic_submission = Submission.objects.create(
        user=self.users['normal'].profile,
        problem=create_problem(code='basic'),
        language=Language.get_python3(),
        result='AC',
        status='D',
        case_points=99,
        case_total=100,
        memory=20,
        locked_after=None,
    )
    self.full_ac_submission = Submission.objects.create(
        user=self.users['normal'].profile,
        problem=create_problem(code='full_ac'),
        language=Language.get_python3(),
        result='AC',
        status='D',
        case_points=1,
        case_total=1,
    )
    self.full_ac_submission_source = SubmissionSource.objects.create(
        submission=self.full_ac_submission,
        source='',
    )
    self.locked_submission = Submission.objects.create(
        user=self.users['normal'].profile,
        problem=create_problem(code='locked'),
        language=Language.get_python3(),
        result='WA',
        status='D',
        case_points=1,
        case_total=1,
        locked_after=timezone.now() - timezone.timedelta(days=100),
    )
    self.future_locked_submission = Submission.objects.create(
        user=self.users['normal'].profile,
        problem=create_problem(code='future_locked'),
        language=Language.get_python3(),
        result='WA',
        status='D',
        case_points=1,
        case_total=1,
        locked_after=timezone.now() + timezone.timedelta(days=100),
    )
    self.ie_submission = Submission.objects.create(
        user=self.users['superuser'].profile,
        problem=create_problem(
            code='ie',
            is_public=True,
        ),
        language=Language.get_python3(),
        result='IE',
        status='IE',
        memory=None,
    )
    # jump down the rabbit hole to attach a contest submission
    problem = create_problem(code='queued')
    contest = create_contest(key='queued')
    self.queued_submission = Submission.objects.create(
        user=self.users['superuser'].profile,
        problem=problem,
        language=Language.get_python3(),
        contest_object=contest,
        case_points=50,
        case_total=100,
    )
    self.queued_contest_submission = ContestSubmission.objects.create(
        submission=self.queued_submission,
        problem=create_contest_problem(problem=problem, contest=contest, partial=False),
        participation=create_contest_participation(contest=contest, user='superuser'),
    )