It's bad to mislead your employer during an interview.
Jack is attending a job interview with an employer.
Jack wants to get the job.
Jack honestly describes his working experiences to the employer.
Jack tells the employer that he has substantial managerial experiences even though he was only a supervisor in his previous company.
Jack gets hired because the employer feels that he is honest and has a high potential of being trained to be a good manager.
Jack fails the management test given by the employer and is not hired.