Answer: I think it is an overt integrity test.
Explanation: Employee integrity tests are meant to measure honesty, dependability and work ethic. They take two forms: overt and covert. Overt integrity tests refer directly to dishonest and counterproductive behaviors (theft, cyber-loafing, absenteeism etc.) Covert testing is personality based. They assess integrity by proxy (e.g. conscientiousness.)
Source: https://resources.workable.com/stories-and-insights/employee-integrity-tests