def METHOD_NAME(self):
    guardduty_client = client("guardduty", region_name=AWS_REGION)
    response = guardduty_client.create_detector(Enable=True)
    audit_info = self.set_mocked_audit_info()
    guardduty = GuardDuty(audit_info)
    assert len(guardduty.detectors) == 1
    assert guardduty.detectors[0].id == response["DetectorId"]
    assert guardduty.detectors[0].region == AWS_REGION
    assert guardduty.detectors[0].status
    assert len(guardduty.detectors[0].member_accounts) == 1