public void GetDetailsWhenNotNullDrugId()
        {
            config.Setup(p => p.searchDrugsByID(1)).Returns(new List <LocationWiseDrug> {
                new LocationWiseDrug()
                {
                }
            });
            var result = TokenObj.searchDrugsByID(1);
            var rs     = result as OkObjectResult;
            var rs1    = rs.Value as List <LocationWiseDrug>;

            Assert.That(rs1, Is.Not.Empty);
            //  Assert.That(result,Is.InstanceOf<OkObjectResult>());
        }