public void AddEmployeeTest()
        {
            EmployeeModel mockData = new EmployeeModel {
                Email = "Email", EmployeeID = "EmployeeID", FirstName = "FirstName1", Id = Guid.NewGuid(), LastName = "LastName", Phone = "Phone"
            };

            _unitOfWork.Setup(m => m.EmployeeRepository.AddEmployee(It.IsAny <EmployeeEntry>()));
            EmployeeMgr employeeMgr = new EmployeeMgr(_unitOfWork.Object);

            employeeMgr.AddEmployee(mockData);
            _unitOfWork.Verify(m => m.Commit());
        }