@ankit93040  I tend to agree @julienw's points: It would be more meaningful to wrap these unknown contacts related API into one suite test and test it with some specific test cases. And the most important thing is this 'findByUnknown ' test is totally not how it works. You should at least test some string witch will return no/single/multiple object within the list(and the multiple result should have 2 object at max even it could match more than 2 unknown number)